20178804844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{3221}}^1\times {\mathrm{142381}}^1$

素因数の和:145617

約数の個数: 24

約数和(自身を含む): 38535403536

約数和(自身を除く): 18356598692

約数列:

[1, 2, 4, 11, 22, 44, 3221, 6442, 12884, 35431, 70862, 141724, 142381, 284762, 569524, 1566191, 3132382, 6264764, 458609201, 917218402, 1834436804, 5044701211, 10089402422, 20178804844]

約数ペア:

[(1, 20178804844), (2, 10089402422), (4, 5044701211), (11, 1834436804), (22, 917218402), (44, 458609201), (3221, 6264764), (6442, 3132382), (12884, 1566191), (35431, 569524), (70862, 284762), (141724, 142381)]