20590680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 71020800

約数和(自身を除く): 50430120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 821, 836, 1045, 1140, 1254, 1320, 1642, 1672, 2090, 2280, 2463, 2508, 3135, 3284, 4105, 4180, 4926, 5016, 6270, 6568, 8210, 8360, 9031, 9852, 12315, 12540, 15599, 16420, 18062, 19704, 24630, 25080, 27093, 31198, 32840, 36124, 45155, 46797, 49260, 54186, 62396, 72248, 77995, 90310, 93594, 98520, 108372, 124792, 135465, 155990, 171589, 180620, 187188, 216744, 233985, 270930, 311980, 343178, 361240, 374376, 467970, 514767, 541860, 623960, 686356, 857945, 935940, 1029534, 1083720, 1372712, 1715890, 1871880, 2059068, 2573835, 3431780, 4118136, 5147670, 6863560, 10295340, 20590680]

約数ペア:

[(1, 20590680), (2, 10295340), (3, 6863560), (4, 5147670), (5, 4118136), (6, 3431780), (8, 2573835), (10, 2059068), (11, 1871880), (12, 1715890), (15, 1372712), (19, 1083720), (20, 1029534), (22, 935940), (24, 857945), (30, 686356), (33, 623960), (38, 541860), (40, 514767), (44, 467970), (55, 374376), (57, 361240), (60, 343178), (66, 311980), (76, 270930), (88, 233985), (95, 216744), (110, 187188), (114, 180620), (120, 171589), (132, 155990), (152, 135465), (165, 124792), (190, 108372), (209, 98520), (220, 93594), (228, 90310), (264, 77995), (285, 72248), (330, 62396), (380, 54186), (418, 49260), (440, 46797), (456, 45155), (570, 36124), (627, 32840), (660, 31198), (760, 27093), (821, 25080), (836, 24630), (1045, 19704), (1140, 18062), (1254, 16420), (1320, 15599), (1642, 12540), (1672, 12315), (2090, 9852), (2280, 9031), (2463, 8360), (2508, 8210), (3135, 6568), (3284, 6270), (4105, 5016), (4180, 4926)]