20565722900

素因数分解:

$2^2\times 5^2\times {\mathrm{2903}}^1\times {\mathrm{70843}}^1$

素因数の和:73760

約数の個数: 36

約数和(自身を含む): 44643621792

約数和(自身を除く): 24077898892

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2903, 5806, 11612, 14515, 29030, 58060, 70843, 72575, 141686, 145150, 283372, 290300, 354215, 708430, 1416860, 1771075, 3542150, 7084300, 205657229, 411314458, 822628916, 1028286145, 2056572290, 4113144580, 5141430725, 10282861450, 20565722900]

約数ペア:

[(1, 20565722900), (2, 10282861450), (4, 5141430725), (5, 4113144580), (10, 2056572290), (20, 1028286145), (25, 822628916), (50, 411314458), (100, 205657229), (2903, 7084300), (5806, 3542150), (11612, 1771075), (14515, 1416860), (29030, 708430), (58060, 354215), (70843, 290300), (72575, 283372), (141686, 145150)]