20417848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3463}}^1$

素因数の和:3547

約数の個数: 32

約数和(自身を含む): 42399360

約数和(自身を除く): 21981512

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3463, 5896, 6926, 13852, 27704, 38093, 76186, 152372, 232021, 304744, 464042, 928084, 1856168, 2552231, 5104462, 10208924, 20417848]

約数ペア:

[(1, 20417848), (2, 10208924), (4, 5104462), (8, 2552231), (11, 1856168), (22, 928084), (44, 464042), (67, 304744), (88, 232021), (134, 152372), (268, 76186), (536, 38093), (737, 27704), (1474, 13852), (2948, 6926), (3463, 5896)]