20406802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 13885358

約数列:

[1, 2, 13, 26, 53, 59, 106, 118, 251, 502, 689, 767, 1378, 1534, 3127, 3263, 6254, 6526, 13303, 14809, 26606, 29618, 40651, 81302, 172939, 192517, 345878, 385034, 784877, 1569754, 10203401, 20406802]

約数ペア:

[(1, 20406802), (2, 10203401), (13, 1569754), (26, 784877), (53, 385034), (59, 345878), (106, 192517), (118, 172939), (251, 81302), (502, 40651), (689, 29618), (767, 26606), (1378, 14809), (1534, 13303), (3127, 6526), (3263, 6254)]