20343200

素因数分解:

$2^5\times 5^2\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 72

約数和(自身を含む): 50621760

約数和(自身を除く): 30278560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 80, 100, 118, 160, 200, 236, 295, 400, 431, 472, 590, 800, 862, 944, 1180, 1475, 1724, 1888, 2155, 2360, 2950, 3448, 4310, 4720, 5900, 6896, 8620, 9440, 10775, 11800, 13792, 17240, 21550, 23600, 25429, 34480, 43100, 47200, 50858, 68960, 86200, 101716, 127145, 172400, 203432, 254290, 344800, 406864, 508580, 635725, 813728, 1017160, 1271450, 2034320, 2542900, 4068640, 5085800, 10171600, 20343200]

約数ペア:

[(1, 20343200), (2, 10171600), (4, 5085800), (5, 4068640), (8, 2542900), (10, 2034320), (16, 1271450), (20, 1017160), (25, 813728), (32, 635725), (40, 508580), (50, 406864), (59, 344800), (80, 254290), (100, 203432), (118, 172400), (160, 127145), (200, 101716), (236, 86200), (295, 68960), (400, 50858), (431, 47200), (472, 43100), (590, 34480), (800, 25429), (862, 23600), (944, 21550), (1180, 17240), (1475, 13792), (1724, 11800), (1888, 10775), (2155, 9440), (2360, 8620), (2950, 6896), (3448, 5900), (4310, 4720)]