20631000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 72465120

約数和(自身を除く): 51834120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 25, 26, 30, 39, 40, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 104, 115, 120, 125, 130, 138, 150, 156, 184, 195, 200, 230, 250, 260, 276, 299, 300, 312, 325, 345, 375, 390, 460, 500, 520, 529, 552, 575, 598, 600, 650, 690, 750, 780, 897, 920, 975, 1000, 1058, 1150, 1196, 1300, 1380, 1495, 1500, 1560, 1587, 1625, 1725, 1794, 1950, 2116, 2300, 2392, 2600, 2645, 2760, 2875, 2990, 3000, 3174, 3250, 3450, 3588, 3900, 4232, 4485, 4600, 4875, 5290, 5750, 5980, 6348, 6500, 6877, 6900, 7176, 7475, 7800, 7935, 8625, 8970, 9750, 10580, 11500, 11960, 12696, 13000, 13225, 13754, 13800, 14950, 15870, 17250, 17940, 19500, 20631, 21160, 22425, 23000, 26450, 27508, 29900, 31740, 34385, 34500, 35880, 37375, 39000, 39675, 41262, 44850, 52900, 55016, 59800, 63480, 66125, 68770, 69000, 74750, 79350, 82524, 89700, 103155, 105800, 112125, 132250, 137540, 149500, 158700, 165048, 171925, 179400, 198375, 206310, 224250, 264500, 275080, 299000, 317400, 343850, 396750, 412620, 448500, 515775, 529000, 687700, 793500, 825240, 859625, 897000, 1031550, 1375400, 1587000, 1719250, 2063100, 2578875, 3438500, 4126200, 5157750, 6877000, 10315500, 20631000]

約数ペア:

[(1, 20631000), (2, 10315500), (3, 6877000), (4, 5157750), (5, 4126200), (6, 3438500), (8, 2578875), (10, 2063100), (12, 1719250), (13, 1587000), (15, 1375400), (20, 1031550), (23, 897000), (24, 859625), (25, 825240), (26, 793500), (30, 687700), (39, 529000), (40, 515775), (46, 448500), (50, 412620), (52, 396750), (60, 343850), (65, 317400), (69, 299000), (75, 275080), (78, 264500), (92, 224250), (100, 206310), (104, 198375), (115, 179400), (120, 171925), (125, 165048), (130, 158700), (138, 149500), (150, 137540), (156, 132250), (184, 112125), (195, 105800), (200, 103155), (230, 89700), (250, 82524), (260, 79350), (276, 74750), (299, 69000), (300, 68770), (312, 66125), (325, 63480), (345, 59800), (375, 55016), (390, 52900), (460, 44850), (500, 41262), (520, 39675), (529, 39000), (552, 37375), (575, 35880), (598, 34500), (600, 34385), (650, 31740), (690, 29900), (750, 27508), (780, 26450), (897, 23000), (920, 22425), (975, 21160), (1000, 20631), (1058, 19500), (1150, 17940), (1196, 17250), (1300, 15870), (1380, 14950), (1495, 13800), (1500, 13754), (1560, 13225), (1587, 13000), (1625, 12696), (1725, 11960), (1794, 11500), (1950, 10580), (2116, 9750), (2300, 8970), (2392, 8625), (2600, 7935), (2645, 7800), (2760, 7475), (2875, 7176), (2990, 6900), (3000, 6877), (3174, 6500), (3250, 6348), (3450, 5980), (3588, 5750), (3900, 5290), (4232, 4875), (4485, 4600)]