20036680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 28692920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 751, 920, 1160, 1334, 1502, 2668, 3004, 3335, 3755, 5336, 6008, 6670, 7510, 13340, 15020, 17273, 21779, 26680, 30040, 34546, 43558, 69092, 86365, 87116, 108895, 138184, 172730, 174232, 217790, 345460, 435580, 500917, 690920, 871160, 1001834, 2003668, 2504585, 4007336, 5009170, 10018340, 20036680]

約数ペア:

[(1, 20036680), (2, 10018340), (4, 5009170), (5, 4007336), (8, 2504585), (10, 2003668), (20, 1001834), (23, 871160), (29, 690920), (40, 500917), (46, 435580), (58, 345460), (92, 217790), (115, 174232), (116, 172730), (145, 138184), (184, 108895), (230, 87116), (232, 86365), (290, 69092), (460, 43558), (580, 34546), (667, 30040), (751, 26680), (920, 21779), (1160, 17273), (1334, 15020), (1502, 13340), (2668, 7510), (3004, 6670), (3335, 6008), (3755, 5336)]