20021296

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 19976144

約数列:

[1, 2, 4, 8, 16, 59, 118, 127, 167, 236, 254, 334, 472, 508, 668, 944, 1016, 1336, 2032, 2672, 7493, 9853, 14986, 19706, 21209, 29972, 39412, 42418, 59944, 78824, 84836, 119888, 157648, 169672, 339344, 1251331, 2502662, 5005324, 10010648, 20021296]

約数ペア:

[(1, 20021296), (2, 10010648), (4, 5005324), (8, 2502662), (16, 1251331), (59, 339344), (118, 169672), (127, 157648), (167, 119888), (236, 84836), (254, 78824), (334, 59944), (472, 42418), (508, 39412), (668, 29972), (944, 21209), (1016, 19706), (1336, 14986), (2032, 9853), (2672, 7493)]