20948498

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 13335022

約数列:

[1, 2, 29, 31, 58, 61, 62, 122, 191, 382, 899, 1769, 1798, 1891, 3538, 3782, 5539, 5921, 11078, 11651, 11842, 23302, 54839, 109678, 171709, 337879, 343418, 361181, 675758, 722362, 10474249, 20948498]

約数ペア:

[(1, 20948498), (2, 10474249), (29, 722362), (31, 675758), (58, 361181), (61, 343418), (62, 337879), (122, 171709), (191, 109678), (382, 54839), (899, 23302), (1769, 11842), (1798, 11651), (1891, 11078), (3538, 5921), (3782, 5539)]