20138025704

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{240173}}^1$

素因数の和:240449

約数の個数: 32

約数和(自身を含む): 38735262720

約数和(自身を除く): 18597237016

約数列:

[1, 2, 4, 8, 47, 94, 188, 223, 376, 446, 892, 1784, 10481, 20962, 41924, 83848, 240173, 480346, 960692, 1921384, 11288131, 22576262, 45152524, 53558579, 90305048, 107117158, 214234316, 428468632, 2517253213, 5034506426, 10069012852, 20138025704]

約数ペア:

[(1, 20138025704), (2, 10069012852), (4, 5034506426), (8, 2517253213), (47, 428468632), (94, 214234316), (188, 107117158), (223, 90305048), (376, 53558579), (446, 45152524), (892, 22576262), (1784, 11288131), (10481, 1921384), (20962, 960692), (41924, 480346), (83848, 240173)]