20847210495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2851}}^1\times {\mathrm{25657}}^1$

素因数の和:28535

約数の個数: 32

約数和(自身を含む): 35124775680

約数和(自身を除く): 14277565185

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 2851, 8553, 14255, 25657, 42765, 54169, 76971, 128285, 162507, 270845, 384855, 487483, 812535, 1462449, 2437415, 7312245, 73148107, 219444321, 365740535, 1097221605, 1389814033, 4169442099, 6949070165, 20847210495]

約数ペア:

[(1, 20847210495), (3, 6949070165), (5, 4169442099), (15, 1389814033), (19, 1097221605), (57, 365740535), (95, 219444321), (285, 73148107), (2851, 7312245), (8553, 2437415), (14255, 1462449), (25657, 812535), (42765, 487483), (54169, 384855), (76971, 270845), (128285, 162507)]