20253176

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 18665704

約数列:

[1, 2, 4, 8, 71, 142, 181, 197, 284, 362, 394, 568, 724, 788, 1448, 1576, 12851, 13987, 25702, 27974, 35657, 51404, 55948, 71314, 102808, 111896, 142628, 285256, 2531647, 5063294, 10126588, 20253176]

約数ペア:

[(1, 20253176), (2, 10126588), (4, 5063294), (8, 2531647), (71, 285256), (142, 142628), (181, 111896), (197, 102808), (284, 71314), (362, 55948), (394, 51404), (568, 35657), (724, 27974), (788, 25702), (1448, 13987), (1576, 12851)]