20620968

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 32843352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 101, 141, 181, 188, 202, 282, 303, 362, 376, 404, 543, 564, 606, 724, 808, 1086, 1128, 1212, 1448, 2172, 2424, 4344, 4747, 8507, 9494, 14241, 17014, 18281, 18988, 25521, 28482, 34028, 36562, 37976, 51042, 54843, 56964, 68056, 73124, 102084, 109686, 113928, 146248, 204168, 219372, 438744, 859207, 1718414, 2577621, 3436828, 5155242, 6873656, 10310484, 20620968]

約数ペア:

[(1, 20620968), (2, 10310484), (3, 6873656), (4, 5155242), (6, 3436828), (8, 2577621), (12, 1718414), (24, 859207), (47, 438744), (94, 219372), (101, 204168), (141, 146248), (181, 113928), (188, 109686), (202, 102084), (282, 73124), (303, 68056), (362, 56964), (376, 54843), (404, 51042), (543, 37976), (564, 36562), (606, 34028), (724, 28482), (808, 25521), (1086, 18988), (1128, 18281), (1212, 17014), (1448, 14241), (2172, 9494), (2424, 8507), (4344, 4747)]