20553000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 256

約数和(自身を含む): 75479040

約数和(自身を除く): 54926040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 25, 26, 30, 31, 34, 39, 40, 50, 51, 52, 60, 62, 65, 68, 75, 78, 85, 93, 100, 102, 104, 120, 124, 125, 130, 136, 150, 155, 156, 170, 186, 195, 200, 204, 221, 248, 250, 255, 260, 300, 310, 312, 325, 340, 372, 375, 390, 403, 408, 425, 442, 465, 500, 510, 520, 527, 600, 620, 650, 663, 680, 744, 750, 775, 780, 806, 850, 884, 930, 975, 1000, 1020, 1054, 1105, 1209, 1240, 1275, 1300, 1326, 1500, 1550, 1560, 1581, 1612, 1625, 1700, 1768, 1860, 1950, 2015, 2040, 2108, 2125, 2210, 2325, 2418, 2550, 2600, 2635, 2652, 3000, 3100, 3162, 3224, 3250, 3315, 3400, 3720, 3875, 3900, 4030, 4216, 4250, 4420, 4650, 4836, 4875, 5100, 5270, 5304, 5525, 6045, 6200, 6324, 6375, 6500, 6630, 6851, 7750, 7800, 7905, 8060, 8500, 8840, 9300, 9672, 9750, 10075, 10200, 10540, 11050, 11625, 12090, 12648, 12750, 13000, 13175, 13260, 13702, 15500, 15810, 16120, 16575, 17000, 18600, 19500, 20150, 20553, 21080, 22100, 23250, 24180, 25500, 26350, 26520, 27404, 27625, 30225, 31000, 31620, 33150, 34255, 39000, 39525, 40300, 41106, 44200, 46500, 48360, 50375, 51000, 52700, 54808, 55250, 60450, 63240, 65875, 66300, 68510, 79050, 80600, 82212, 82875, 93000, 100750, 102765, 105400, 110500, 120900, 131750, 132600, 137020, 151125, 158100, 164424, 165750, 171275, 197625, 201500, 205530, 221000, 241800, 263500, 274040, 302250, 316200, 331500, 342550, 395250, 403000, 411060, 513825, 527000, 604500, 663000, 685100, 790500, 822120, 856375, 1027650, 1209000, 1370200, 1581000, 1712750, 2055300, 2569125, 3425500, 4110600, 5138250, 6851000, 10276500, 20553000]

約数ペア:

[(1, 20553000), (2, 10276500), (3, 6851000), (4, 5138250), (5, 4110600), (6, 3425500), (8, 2569125), (10, 2055300), (12, 1712750), (13, 1581000), (15, 1370200), (17, 1209000), (20, 1027650), (24, 856375), (25, 822120), (26, 790500), (30, 685100), (31, 663000), (34, 604500), (39, 527000), (40, 513825), (50, 411060), (51, 403000), (52, 395250), (60, 342550), (62, 331500), (65, 316200), (68, 302250), (75, 274040), (78, 263500), (85, 241800), (93, 221000), (100, 205530), (102, 201500), (104, 197625), (120, 171275), (124, 165750), (125, 164424), (130, 158100), (136, 151125), (150, 137020), (155, 132600), (156, 131750), (170, 120900), (186, 110500), (195, 105400), (200, 102765), (204, 100750), (221, 93000), (248, 82875), (250, 82212), (255, 80600), (260, 79050), (300, 68510), (310, 66300), (312, 65875), (325, 63240), (340, 60450), (372, 55250), (375, 54808), (390, 52700), (403, 51000), (408, 50375), (425, 48360), (442, 46500), (465, 44200), (500, 41106), (510, 40300), (520, 39525), (527, 39000), (600, 34255), (620, 33150), (650, 31620), (663, 31000), (680, 30225), (744, 27625), (750, 27404), (775, 26520), (780, 26350), (806, 25500), (850, 24180), (884, 23250), (930, 22100), (975, 21080), (1000, 20553), (1020, 20150), (1054, 19500), (1105, 18600), (1209, 17000), (1240, 16575), (1275, 16120), (1300, 15810), (1326, 15500), (1500, 13702), (1550, 13260), (1560, 13175), (1581, 13000), (1612, 12750), (1625, 12648), (1700, 12090), (1768, 11625), (1860, 11050), (1950, 10540), (2015, 10200), (2040, 10075), (2108, 9750), (2125, 9672), (2210, 9300), (2325, 8840), (2418, 8500), (2550, 8060), (2600, 7905), (2635, 7800), (2652, 7750), (3000, 6851), (3100, 6630), (3162, 6500), (3224, 6375), (3250, 6324), (3315, 6200), (3400, 6045), (3720, 5525), (3875, 5304), (3900, 5270), (4030, 5100), (4216, 4875), (4250, 4836), (4420, 4650)]