20938254

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1567}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 44706816

約数和(自身を除く): 23768562

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 131, 262, 393, 786, 1567, 2227, 3134, 4454, 4701, 6681, 9402, 13362, 26639, 53278, 79917, 159834, 205277, 410554, 615831, 1231662, 3489709, 6979418, 10469127, 20938254]

約数ペア:

[(1, 20938254), (2, 10469127), (3, 6979418), (6, 3489709), (17, 1231662), (34, 615831), (51, 410554), (102, 205277), (131, 159834), (262, 79917), (393, 53278), (786, 26639), (1567, 13362), (2227, 9402), (3134, 6681), (4454, 4701)]