20650388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11447}}^1$

素因数の和:11503

約数の個数: 24

約数和(自身を含む): 40388544

約数和(自身を除く): 19738156

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11447, 22894, 45788, 125917, 251834, 469327, 503668, 938654, 1877308, 5162597, 10325194, 20650388]

約数ペア:

[(1, 20650388), (2, 10325194), (4, 5162597), (11, 1877308), (22, 938654), (41, 503668), (44, 469327), (82, 251834), (164, 125917), (451, 45788), (902, 22894), (1804, 11447)]