20951848

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 40584960

約数和(自身を除く): 19633112

約数列:

[1, 2, 4, 8, 47, 94, 103, 188, 206, 376, 412, 541, 824, 1082, 2164, 4328, 4841, 9682, 19364, 25427, 38728, 50854, 55723, 101708, 111446, 203416, 222892, 445784, 2618981, 5237962, 10475924, 20951848]

約数ペア:

[(1, 20951848), (2, 10475924), (4, 5237962), (8, 2618981), (47, 445784), (94, 222892), (103, 203416), (188, 111446), (206, 101708), (376, 55723), (412, 50854), (541, 38728), (824, 25427), (1082, 19364), (2164, 9682), (4328, 4841)]