20774200

素因数分解:

$2^3\times 5^2\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 48612960

約数和(自身を除く): 27838760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 241, 431, 482, 862, 964, 1205, 1724, 1928, 2155, 2410, 3448, 4310, 4820, 6025, 8620, 9640, 10775, 12050, 17240, 21550, 24100, 43100, 48200, 86200, 103871, 207742, 415484, 519355, 830968, 1038710, 2077420, 2596775, 4154840, 5193550, 10387100, 20774200]

約数ペア:

[(1, 20774200), (2, 10387100), (4, 5193550), (5, 4154840), (8, 2596775), (10, 2077420), (20, 1038710), (25, 830968), (40, 519355), (50, 415484), (100, 207742), (200, 103871), (241, 86200), (431, 48200), (482, 43100), (862, 24100), (964, 21550), (1205, 17240), (1724, 12050), (1928, 10775), (2155, 9640), (2410, 8620), (3448, 6025), (4310, 4820)]