20197500428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{89797}}^1$

素因数の和:90114

約数の個数: 48

約数和(自身を含む): 41939257920

約数和(自身を除く): 21741757492

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 277, 406, 554, 812, 1108, 1939, 3878, 7756, 8033, 16066, 32132, 56231, 89797, 112462, 179594, 224924, 359188, 628579, 1257158, 2514316, 2604113, 5208226, 10416452, 18228791, 24873769, 36457582, 49747538, 72915164, 99495076, 174116383, 348232766, 696465532, 721339301, 1442678602, 2885357204, 5049375107, 10098750214, 20197500428]

約数ペア:

[(1, 20197500428), (2, 10098750214), (4, 5049375107), (7, 2885357204), (14, 1442678602), (28, 721339301), (29, 696465532), (58, 348232766), (116, 174116383), (203, 99495076), (277, 72915164), (406, 49747538), (554, 36457582), (812, 24873769), (1108, 18228791), (1939, 10416452), (3878, 5208226), (7756, 2604113), (8033, 2514316), (16066, 1257158), (32132, 628579), (56231, 359188), (89797, 224924), (112462, 179594)]