20818200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 74057760

約数和(自身を除く): 53239560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 25, 26, 30, 34, 39, 40, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 104, 120, 130, 136, 150, 156, 157, 170, 195, 200, 204, 221, 255, 260, 300, 312, 314, 325, 340, 390, 408, 425, 442, 471, 510, 520, 600, 628, 650, 663, 680, 780, 785, 850, 884, 942, 975, 1020, 1105, 1256, 1275, 1300, 1326, 1560, 1570, 1700, 1768, 1884, 1950, 2040, 2041, 2210, 2355, 2550, 2600, 2652, 2669, 3140, 3315, 3400, 3768, 3900, 3925, 4082, 4420, 4710, 5100, 5304, 5338, 5525, 6123, 6280, 6630, 7800, 7850, 8007, 8164, 8840, 9420, 10200, 10205, 10676, 11050, 11775, 12246, 13260, 13345, 15700, 16014, 16328, 16575, 18840, 20410, 21352, 22100, 23550, 24492, 26520, 26690, 30615, 31400, 32028, 33150, 34697, 40035, 40820, 44200, 47100, 48984, 51025, 53380, 61230, 64056, 66300, 66725, 69394, 80070, 81640, 94200, 102050, 104091, 106760, 122460, 132600, 133450, 138788, 153075, 160140, 173485, 200175, 204100, 208182, 244920, 266900, 277576, 306150, 320280, 346970, 400350, 408200, 416364, 520455, 533800, 612300, 693940, 800700, 832728, 867425, 1040910, 1224600, 1387880, 1601400, 1734850, 2081820, 2602275, 3469700, 4163640, 5204550, 6939400, 10409100, 20818200]

約数ペア:

[(1, 20818200), (2, 10409100), (3, 6939400), (4, 5204550), (5, 4163640), (6, 3469700), (8, 2602275), (10, 2081820), (12, 1734850), (13, 1601400), (15, 1387880), (17, 1224600), (20, 1040910), (24, 867425), (25, 832728), (26, 800700), (30, 693940), (34, 612300), (39, 533800), (40, 520455), (50, 416364), (51, 408200), (52, 400350), (60, 346970), (65, 320280), (68, 306150), (75, 277576), (78, 266900), (85, 244920), (100, 208182), (102, 204100), (104, 200175), (120, 173485), (130, 160140), (136, 153075), (150, 138788), (156, 133450), (157, 132600), (170, 122460), (195, 106760), (200, 104091), (204, 102050), (221, 94200), (255, 81640), (260, 80070), (300, 69394), (312, 66725), (314, 66300), (325, 64056), (340, 61230), (390, 53380), (408, 51025), (425, 48984), (442, 47100), (471, 44200), (510, 40820), (520, 40035), (600, 34697), (628, 33150), (650, 32028), (663, 31400), (680, 30615), (780, 26690), (785, 26520), (850, 24492), (884, 23550), (942, 22100), (975, 21352), (1020, 20410), (1105, 18840), (1256, 16575), (1275, 16328), (1300, 16014), (1326, 15700), (1560, 13345), (1570, 13260), (1700, 12246), (1768, 11775), (1884, 11050), (1950, 10676), (2040, 10205), (2041, 10200), (2210, 9420), (2355, 8840), (2550, 8164), (2600, 8007), (2652, 7850), (2669, 7800), (3140, 6630), (3315, 6280), (3400, 6123), (3768, 5525), (3900, 5338), (3925, 5304), (4082, 5100), (4420, 4710)]