20430536

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2663}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 44115840

約数和(自身を除く): 23685304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2663, 3836, 5326, 7672, 10652, 18641, 21304, 37282, 74564, 149128, 364831, 729662, 1459324, 2553817, 2918648, 5107634, 10215268, 20430536]

約数ペア:

[(1, 20430536), (2, 10215268), (4, 5107634), (7, 2918648), (8, 2553817), (14, 1459324), (28, 729662), (56, 364831), (137, 149128), (274, 74564), (548, 37282), (959, 21304), (1096, 18641), (1918, 10652), (2663, 7672), (3836, 5326)]