20192874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25771926

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 79, 87, 113, 158, 174, 226, 237, 339, 377, 474, 678, 754, 1027, 1131, 1469, 2054, 2262, 2291, 2938, 3081, 3277, 4407, 4582, 6162, 6554, 6873, 8814, 8927, 9831, 13746, 17854, 19662, 26781, 29783, 42601, 53562, 59566, 85202, 89349, 116051, 127803, 178698, 232102, 255606, 258883, 348153, 517766, 696306, 776649, 1553298, 3365479, 6730958, 10096437, 20192874]

約数ペア:

[(1, 20192874), (2, 10096437), (3, 6730958), (6, 3365479), (13, 1553298), (26, 776649), (29, 696306), (39, 517766), (58, 348153), (78, 258883), (79, 255606), (87, 232102), (113, 178698), (158, 127803), (174, 116051), (226, 89349), (237, 85202), (339, 59566), (377, 53562), (474, 42601), (678, 29783), (754, 26781), (1027, 19662), (1131, 17854), (1469, 13746), (2054, 9831), (2262, 8927), (2291, 8814), (2938, 6873), (3081, 6554), (3277, 6162), (4407, 4582)]