20171288260

素因数分解:

$2^2\times 5^1\times {\mathrm{3821}}^1\times {\mathrm{263953}}^1$

素因数の和:267783

約数の個数: 24

約数和(自身を含む): 42370951896

約数和(自身を除く): 22199663636

約数列:

[1, 2, 4, 5, 10, 20, 3821, 7642, 15284, 19105, 38210, 76420, 263953, 527906, 1055812, 1319765, 2639530, 5279060, 1008564413, 2017128826, 4034257652, 5042822065, 10085644130, 20171288260]

約数ペア:

[(1, 20171288260), (2, 10085644130), (4, 5042822065), (5, 4034257652), (10, 2017128826), (20, 1008564413), (3821, 5279060), (7642, 2639530), (15284, 1319765), (19105, 1055812), (38210, 527906), (76420, 263953)]