20170678840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2281751}}^1$

素因数の和:2281792

約数の個数: 64

約数和(自身を含む): 51750135360

約数和(自身を除く): 31579456520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 2281751, 4563502, 9127004, 11408755, 18254008, 22817510, 29662763, 38789767, 45635020, 59325526, 77579534, 91270040, 118651052, 148313815, 155159068, 193948835, 237302104, 296627630, 310318136, 387897670, 504266971, 593255260, 775795340, 1008533942, 1186510520, 1551590680, 2017067884, 2521334855, 4034135768, 5042669710, 10085339420, 20170678840]

約数ペア:

[(1, 20170678840), (2, 10085339420), (4, 5042669710), (5, 4034135768), (8, 2521334855), (10, 2017067884), (13, 1551590680), (17, 1186510520), (20, 1008533942), (26, 775795340), (34, 593255260), (40, 504266971), (52, 387897670), (65, 310318136), (68, 296627630), (85, 237302104), (104, 193948835), (130, 155159068), (136, 148313815), (170, 118651052), (221, 91270040), (260, 77579534), (340, 59325526), (442, 45635020), (520, 38789767), (680, 29662763), (884, 22817510), (1105, 18254008), (1768, 11408755), (2210, 9127004), (4420, 4563502), (8840, 2281751)]