20995266

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4283}}^1$

素因数の和:4350

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 24243774

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4283, 4902, 8566, 12849, 25698, 81377, 162754, 184169, 244131, 368338, 488262, 552507, 1105014, 3499211, 6998422, 10497633, 20995266]

約数ペア:

[(1, 20995266), (2, 10497633), (3, 6998422), (6, 3499211), (19, 1105014), (38, 552507), (43, 488262), (57, 368338), (86, 244131), (114, 184169), (129, 162754), (258, 81377), (817, 25698), (1634, 12849), (2451, 8566), (4283, 4902)]