20198991707

素因数分解:

${\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 21259376640

約数和(自身を除く): 1060384933

約数列:

[1, 47, 89, 113, 151, 283, 4183, 5311, 7097, 10057, 13301, 13439, 17063, 25187, 31979, 42733, 472679, 631633, 801961, 1183789, 1503013, 1518607, 2008451, 2846131, 3803237, 4828829, 71374529, 133768157, 178752139, 226954963, 429765781, 20198991707]

約数ペア:

[(1, 20198991707), (47, 429765781), (89, 226954963), (113, 178752139), (151, 133768157), (283, 71374529), (4183, 4828829), (5311, 3803237), (7097, 2846131), (10057, 2008451), (13301, 1518607), (13439, 1503013), (17063, 1183789), (25187, 801961), (31979, 631633), (42733, 472679)]