20403201416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{15461}}^1\times {\mathrm{12689}}^1$

素因数の和:28169

約数の個数: 32

約数和(自身を含む): 41204683800

約数和(自身を除く): 20801482384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 12689, 15461, 25378, 30922, 50756, 61844, 101512, 123688, 164957, 200993, 329914, 401986, 659828, 803972, 1319656, 1607944, 196184629, 392369258, 784738516, 1569477032, 2550400177, 5100800354, 10201600708, 20403201416]

約数ペア:

[(1, 20403201416), (2, 10201600708), (4, 5100800354), (8, 2550400177), (13, 1569477032), (26, 784738516), (52, 392369258), (104, 196184629), (12689, 1607944), (15461, 1319656), (25378, 803972), (30922, 659828), (50756, 401986), (61844, 329914), (101512, 200993), (123688, 164957)]