20366800

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:940

約数の個数: 60

約数和(自身を含む): 49818240

約数和(自身を除く): 29451440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 200, 236, 295, 400, 472, 590, 863, 944, 1180, 1475, 1726, 2360, 2950, 3452, 4315, 4720, 5900, 6904, 8630, 11800, 13808, 17260, 21575, 23600, 34520, 43150, 50917, 69040, 86300, 101834, 172600, 203668, 254585, 345200, 407336, 509170, 814672, 1018340, 1272925, 2036680, 2545850, 4073360, 5091700, 10183400, 20366800]

約数ペア:

[(1, 20366800), (2, 10183400), (4, 5091700), (5, 4073360), (8, 2545850), (10, 2036680), (16, 1272925), (20, 1018340), (25, 814672), (40, 509170), (50, 407336), (59, 345200), (80, 254585), (100, 203668), (118, 172600), (200, 101834), (236, 86300), (295, 69040), (400, 50917), (472, 43150), (590, 34520), (863, 23600), (944, 21575), (1180, 17260), (1475, 13808), (1726, 11800), (2360, 8630), (2950, 6904), (3452, 5900), (4315, 4720)]