20291230652

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{495343}}^1$

素因数の和:495391

約数の個数: 72

約数和(自身を含む): 47434141440

約数和(自身を除く): 27142910788

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1463, 1862, 2156, 2926, 3724, 5852, 10241, 20482, 40964, 495343, 990686, 1981372, 3467401, 5448773, 6934802, 9411517, 10897546, 13869604, 18823034, 21795092, 24271807, 37646068, 38141411, 48543614, 65880619, 76282822, 97087228, 103526687, 131761238, 152565644, 207053374, 263522476, 266989877, 414106748, 461164333, 533979754, 724686809, 922328666, 1067959508, 1449373618, 1844657332, 2898747236, 5072807663, 10145615326, 20291230652]

約数ペア:

[(1, 20291230652), (2, 10145615326), (4, 5072807663), (7, 2898747236), (11, 1844657332), (14, 1449373618), (19, 1067959508), (22, 922328666), (28, 724686809), (38, 533979754), (44, 461164333), (49, 414106748), (76, 266989877), (77, 263522476), (98, 207053374), (133, 152565644), (154, 131761238), (196, 103526687), (209, 97087228), (266, 76282822), (308, 65880619), (418, 48543614), (532, 38141411), (539, 37646068), (836, 24271807), (931, 21795092), (1078, 18823034), (1463, 13869604), (1862, 10897546), (2156, 9411517), (2926, 6934802), (3724, 5448773), (5852, 3467401), (10241, 1981372), (20482, 990686), (40964, 495343)]