20878796

素因数分解:

$2^2\times {\mathrm{19}}^3\times {\mathrm{761}}^1$

素因数の和:822

約数の個数: 24

約数和(自身を含む): 38618160

約数和(自身を除く): 17739364

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 761, 1444, 1522, 3044, 6859, 13718, 14459, 27436, 28918, 57836, 274721, 549442, 1098884, 5219699, 10439398, 20878796]

約数ペア:

[(1, 20878796), (2, 10439398), (4, 5219699), (19, 1098884), (38, 549442), (76, 274721), (361, 57836), (722, 28918), (761, 27436), (1444, 14459), (1522, 13718), (3044, 6859)]