20038360

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7477}}^1$

素因数の和:7555

約数の個数: 32

約数和(自身を含む): 45765360

約数和(自身を除く): 25727000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7477, 14954, 29908, 37385, 59816, 74770, 149540, 299080, 500959, 1001918, 2003836, 2504795, 4007672, 5009590, 10019180, 20038360]

約数ペア:

[(1, 20038360), (2, 10019180), (4, 5009590), (5, 4007672), (8, 2504795), (10, 2003836), (20, 1001918), (40, 500959), (67, 299080), (134, 149540), (268, 74770), (335, 59816), (536, 37385), (670, 29908), (1340, 14954), (2680, 7477)]