20337876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43457}}^1$

素因数の和:43480

約数の個数: 36

約数和(自身を含む): 55365492

約数和(自身を除く): 35027616

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43457, 86914, 130371, 173828, 260742, 391113, 521484, 564941, 782226, 1129882, 1564452, 1694823, 2259764, 3389646, 5084469, 6779292, 10168938, 20337876]

約数ペア:

[(1, 20337876), (2, 10168938), (3, 6779292), (4, 5084469), (6, 3389646), (9, 2259764), (12, 1694823), (13, 1564452), (18, 1129882), (26, 782226), (36, 564941), (39, 521484), (52, 391113), (78, 260742), (117, 173828), (156, 130371), (234, 86914), (468, 43457)]