20175370920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{812213}}^1$

素因数の和:812256

約数の個数: 128

約数和(自身を含む): 70175289600

約数和(自身を除く): 49999918680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 24840, 812213, 1624426, 2436639, 3248852, 4061065, 4873278, 6497704, 7309917, 8122130, 9746556, 12183195, 14619834, 16244260, 18680899, 19493112, 21929751, 24366390, 29239668, 32488520, 36549585, 37361798, 43859502, 48732780, 56042697, 58479336, 73099170, 74723596, 87719004, 93404495, 97465560, 109648755, 112085394, 146198340, 149447192, 168128091, 175438008, 186808990, 219297510, 224170788, 280213485, 292396680, 336256182, 373617980, 438595020, 448341576, 504384273, 560426970, 672512364, 747235960, 840640455, 877190040, 1008768546, 1120853940, 1345024728, 1681280910, 2017537092, 2241707880, 2521921365, 3362561820, 4035074184, 5043842730, 6725123640, 10087685460, 20175370920]

約数ペア:

[(1, 20175370920), (2, 10087685460), (3, 6725123640), (4, 5043842730), (5, 4035074184), (6, 3362561820), (8, 2521921365), (9, 2241707880), (10, 2017537092), (12, 1681280910), (15, 1345024728), (18, 1120853940), (20, 1008768546), (23, 877190040), (24, 840640455), (27, 747235960), (30, 672512364), (36, 560426970), (40, 504384273), (45, 448341576), (46, 438595020), (54, 373617980), (60, 336256182), (69, 292396680), (72, 280213485), (90, 224170788), (92, 219297510), (108, 186808990), (115, 175438008), (120, 168128091), (135, 149447192), (138, 146198340), (180, 112085394), (184, 109648755), (207, 97465560), (216, 93404495), (230, 87719004), (270, 74723596), (276, 73099170), (345, 58479336), (360, 56042697), (414, 48732780), (460, 43859502), (540, 37361798), (552, 36549585), (621, 32488520), (690, 29239668), (828, 24366390), (920, 21929751), (1035, 19493112), (1080, 18680899), (1242, 16244260), (1380, 14619834), (1656, 12183195), (2070, 9746556), (2484, 8122130), (2760, 7309917), (3105, 6497704), (4140, 4873278), (4968, 4061065), (6210, 3248852), (8280, 2436639), (12420, 1624426), (24840, 812213)]