20197630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 17697410

約数列:

[1, 2, 5, 10, 29, 58, 145, 257, 271, 290, 514, 542, 1285, 1355, 2570, 2710, 7453, 7859, 14906, 15718, 37265, 39295, 69647, 74530, 78590, 139294, 348235, 696470, 2019763, 4039526, 10098815, 20197630]

約数ペア:

[(1, 20197630), (2, 10098815), (5, 4039526), (10, 2019763), (29, 696470), (58, 348235), (145, 139294), (257, 78590), (271, 74530), (290, 69647), (514, 39295), (542, 37265), (1285, 15718), (1355, 14906), (2570, 7859), (2710, 7453)]