20931372008

素因数分解:

$2^3\times {\mathrm{9769}}^1\times {\mathrm{267829}}^1$

素因数の和:277604

約数の個数: 16

約数和(自身を含む): 39250486500

約数和(自身を除く): 18319114492

約数列:

[1, 2, 4, 8, 9769, 19538, 39076, 78152, 267829, 535658, 1071316, 2142632, 2616421501, 5232843002, 10465686004, 20931372008]

約数ペア:

[(1, 20931372008), (2, 10465686004), (4, 5232843002), (8, 2616421501), (9769, 2142632), (19538, 1071316), (39076, 535658), (78152, 267829)]