20176065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 43392960

約数和(自身を除く): 23216895

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 169, 195, 273, 315, 379, 455, 507, 585, 819, 845, 1137, 1183, 1365, 1521, 1895, 2535, 2653, 3411, 3549, 4095, 4927, 5685, 5915, 7605, 7959, 10647, 13265, 14781, 17055, 17745, 23877, 24635, 34489, 39795, 44343, 53235, 64051, 73905, 103467, 119385, 172445, 192153, 221715, 310401, 320255, 448357, 517335, 576459, 960765, 1345071, 1552005, 2241785, 2882295, 4035213, 6725355, 20176065]

約数ペア:

[(1, 20176065), (3, 6725355), (5, 4035213), (7, 2882295), (9, 2241785), (13, 1552005), (15, 1345071), (21, 960765), (35, 576459), (39, 517335), (45, 448357), (63, 320255), (65, 310401), (91, 221715), (105, 192153), (117, 172445), (169, 119385), (195, 103467), (273, 73905), (315, 64051), (379, 53235), (455, 44343), (507, 39795), (585, 34489), (819, 24635), (845, 23877), (1137, 17745), (1183, 17055), (1365, 14781), (1521, 13265), (1895, 10647), (2535, 7959), (2653, 7605), (3411, 5915), (3549, 5685), (4095, 4927)]