20726071216

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{2621}}^1\times {\mathrm{6961}}^1$

素因数の和:9661

約数の個数: 40

約数和(自身を含む): 40743740448

約数和(自身を除く): 20017669232

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 2621, 5242, 6961, 10484, 13922, 20968, 27844, 41936, 55688, 111376, 186091, 372182, 494231, 744364, 988462, 1488728, 1976924, 2977456, 3953848, 7907696, 18244781, 36489562, 72979124, 145958248, 291916496, 1295379451, 2590758902, 5181517804, 10363035608, 20726071216]

約数ペア:

[(1, 20726071216), (2, 10363035608), (4, 5181517804), (8, 2590758902), (16, 1295379451), (71, 291916496), (142, 145958248), (284, 72979124), (568, 36489562), (1136, 18244781), (2621, 7907696), (5242, 3953848), (6961, 2977456), (10484, 1976924), (13922, 1488728), (20968, 988462), (27844, 744364), (41936, 494231), (55688, 372182), (111376, 186091)]