20787000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 192

約数和(自身を含む): 71940960

約数和(自身を除く): 51153960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 41, 50, 52, 60, 65, 75, 78, 82, 100, 104, 120, 123, 125, 130, 150, 156, 164, 169, 195, 200, 205, 246, 250, 260, 300, 312, 325, 328, 338, 375, 390, 410, 492, 500, 507, 520, 533, 600, 615, 650, 676, 750, 780, 820, 845, 975, 984, 1000, 1014, 1025, 1066, 1230, 1300, 1352, 1500, 1560, 1599, 1625, 1640, 1690, 1950, 2028, 2050, 2132, 2460, 2535, 2600, 2665, 3000, 3075, 3198, 3250, 3380, 3900, 4056, 4100, 4225, 4264, 4875, 4920, 5070, 5125, 5330, 6150, 6396, 6500, 6760, 6929, 7800, 7995, 8200, 8450, 9750, 10140, 10250, 10660, 12300, 12675, 12792, 13000, 13325, 13858, 15375, 15990, 16900, 19500, 20280, 20500, 20787, 21125, 21320, 24600, 25350, 26650, 27716, 30750, 31980, 33800, 34645, 39000, 39975, 41000, 41574, 42250, 50700, 53300, 55432, 61500, 63375, 63960, 66625, 69290, 79950, 83148, 84500, 101400, 103935, 106600, 123000, 126750, 133250, 138580, 159900, 166296, 169000, 173225, 199875, 207870, 253500, 266500, 277160, 319800, 346450, 399750, 415740, 507000, 519675, 533000, 692900, 799500, 831480, 866125, 1039350, 1385800, 1599000, 1732250, 2078700, 2598375, 3464500, 4157400, 5196750, 6929000, 10393500, 20787000]

約数ペア:

[(1, 20787000), (2, 10393500), (3, 6929000), (4, 5196750), (5, 4157400), (6, 3464500), (8, 2598375), (10, 2078700), (12, 1732250), (13, 1599000), (15, 1385800), (20, 1039350), (24, 866125), (25, 831480), (26, 799500), (30, 692900), (39, 533000), (40, 519675), (41, 507000), (50, 415740), (52, 399750), (60, 346450), (65, 319800), (75, 277160), (78, 266500), (82, 253500), (100, 207870), (104, 199875), (120, 173225), (123, 169000), (125, 166296), (130, 159900), (150, 138580), (156, 133250), (164, 126750), (169, 123000), (195, 106600), (200, 103935), (205, 101400), (246, 84500), (250, 83148), (260, 79950), (300, 69290), (312, 66625), (325, 63960), (328, 63375), (338, 61500), (375, 55432), (390, 53300), (410, 50700), (492, 42250), (500, 41574), (507, 41000), (520, 39975), (533, 39000), (600, 34645), (615, 33800), (650, 31980), (676, 30750), (750, 27716), (780, 26650), (820, 25350), (845, 24600), (975, 21320), (984, 21125), (1000, 20787), (1014, 20500), (1025, 20280), (1066, 19500), (1230, 16900), (1300, 15990), (1352, 15375), (1500, 13858), (1560, 13325), (1599, 13000), (1625, 12792), (1640, 12675), (1690, 12300), (1950, 10660), (2028, 10250), (2050, 10140), (2132, 9750), (2460, 8450), (2535, 8200), (2600, 7995), (2665, 7800), (3000, 6929), (3075, 6760), (3198, 6500), (3250, 6396), (3380, 6150), (3900, 5330), (4056, 5125), (4100, 5070), (4225, 4920), (4264, 4875)]