20908108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10867}}^1$

素因数の和:10921

約数の個数: 24

約数和(自身を含む): 40472432

約数和(自身を除く): 19564324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10867, 21734, 43468, 141271, 282542, 402079, 565084, 804158, 1608316, 5227027, 10454054, 20908108]

約数ペア:

[(1, 20908108), (2, 10454054), (4, 5227027), (13, 1608316), (26, 804158), (37, 565084), (52, 402079), (74, 282542), (148, 141271), (481, 43468), (962, 21734), (1924, 10867)]