20371330508

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{3541}}^1$

素因数の和:4094

約数の個数: 48

約数和(自身を含む): 37017243648

約数和(自身を除く): 16645913140

約数列:

[1, 2, 4, 47, 71, 94, 142, 188, 284, 431, 862, 1724, 3337, 3541, 6674, 7082, 13348, 14164, 20257, 30601, 40514, 61202, 81028, 122404, 166427, 251411, 332854, 502822, 665708, 1005644, 1438247, 1526171, 2876494, 3052342, 5752988, 6104684, 11816317, 23632634, 47265268, 71730037, 108358141, 143460074, 216716282, 286920148, 433432564, 5092832627, 10185665254, 20371330508]

約数ペア:

[(1, 20371330508), (2, 10185665254), (4, 5092832627), (47, 433432564), (71, 286920148), (94, 216716282), (142, 143460074), (188, 108358141), (284, 71730037), (431, 47265268), (862, 23632634), (1724, 11816317), (3337, 6104684), (3541, 5752988), (6674, 3052342), (7082, 2876494), (13348, 1526171), (14164, 1438247), (20257, 1005644), (30601, 665708), (40514, 502822), (61202, 332854), (81028, 251411), (122404, 166427)]