20175155640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2436613}}^1$

素因数の和:2436653

約数の個数: 96

約数和(自身を含む): 68420121120

約数和(自身を除く): 48244965480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 2436613, 4873226, 7309839, 9746452, 12183065, 14619678, 19492904, 21929517, 24366130, 29239356, 36549195, 43859034, 48732260, 56042099, 58478712, 73098390, 87718068, 97464520, 109647585, 112084198, 146196780, 168126297, 175436136, 219295170, 224168396, 280210495, 292393560, 336252594, 438590340, 448336792, 504378891, 560420990, 672505188, 840631485, 877180680, 1008757782, 1120841980, 1345010376, 1681262970, 2017515564, 2241683960, 2521894455, 3362525940, 4035031128, 5043788910, 6725051880, 10087577820, 20175155640]

約数ペア:

[(1, 20175155640), (2, 10087577820), (3, 6725051880), (4, 5043788910), (5, 4035031128), (6, 3362525940), (8, 2521894455), (9, 2241683960), (10, 2017515564), (12, 1681262970), (15, 1345010376), (18, 1120841980), (20, 1008757782), (23, 877180680), (24, 840631485), (30, 672505188), (36, 560420990), (40, 504378891), (45, 448336792), (46, 438590340), (60, 336252594), (69, 292393560), (72, 280210495), (90, 224168396), (92, 219295170), (115, 175436136), (120, 168126297), (138, 146196780), (180, 112084198), (184, 109647585), (207, 97464520), (230, 87718068), (276, 73098390), (345, 58478712), (360, 56042099), (414, 48732260), (460, 43859034), (552, 36549195), (690, 29239356), (828, 24366130), (920, 21929517), (1035, 19492904), (1380, 14619678), (1656, 12183065), (2070, 9746452), (2760, 7309839), (4140, 4873226), (8280, 2436613)]