20128567664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1031}}^1\times {\mathrm{71777}}^1$

素因数の和:72833

約数の個数: 40

約数和(自身を含む): 41333791968

約数和(自身を除く): 21205224304

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1031, 2062, 4124, 8248, 16496, 17527, 35054, 70108, 71777, 140216, 143554, 280432, 287108, 574216, 1148432, 1220209, 2440418, 4880836, 9761672, 19523344, 74002087, 148004174, 296008348, 592016696, 1184033392, 1258035479, 2516070958, 5032141916, 10064283832, 20128567664]

約数ペア:

[(1, 20128567664), (2, 10064283832), (4, 5032141916), (8, 2516070958), (16, 1258035479), (17, 1184033392), (34, 592016696), (68, 296008348), (136, 148004174), (272, 74002087), (1031, 19523344), (2062, 9761672), (4124, 4880836), (8248, 2440418), (16496, 1220209), (17527, 1148432), (35054, 574216), (70108, 287108), (71777, 280432), (140216, 143554)]