20415040922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{63361}}^1$

素因数の和:63582

約数の個数: 32

約数和(自身を含む): 32998929600

約数和(自身を除く): 12583888678

約数列:

[1, 2, 19, 38, 61, 122, 139, 278, 1159, 2318, 2641, 5282, 8479, 16958, 63361, 126722, 161101, 322202, 1203859, 2407718, 3865021, 7730042, 8807179, 17614358, 73435399, 146870798, 167336401, 334672802, 537237919, 1074475838, 10207520461, 20415040922]

約数ペア:

[(1, 20415040922), (2, 10207520461), (19, 1074475838), (38, 537237919), (61, 334672802), (122, 167336401), (139, 146870798), (278, 73435399), (1159, 17614358), (2318, 8807179), (2641, 7730042), (5282, 3865021), (8479, 2407718), (16958, 1203859), (63361, 322202), (126722, 161101)]