20686246

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3779}}^1$

素因数の和:3828

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18504794

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3779, 5474, 7558, 26453, 52906, 64243, 86917, 128486, 173834, 449701, 608419, 899402, 1216838, 1477589, 2955178, 10343123, 20686246]

約数ペア:

[(1, 20686246), (2, 10343123), (7, 2955178), (14, 1477589), (17, 1216838), (23, 899402), (34, 608419), (46, 449701), (119, 173834), (161, 128486), (238, 86917), (322, 64243), (391, 52906), (782, 26453), (2737, 7558), (3779, 5474)]