20542670428

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{109063}}^1$

素因数の和:109143

約数の個数: 54

約数和(自身を含む): 43211920248

約数和(自身を除く): 22669249820

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 961, 1519, 1922, 3038, 3844, 6076, 6727, 13454, 26908, 47089, 94178, 109063, 188356, 218126, 436252, 763441, 1526882, 3053764, 3380953, 5344087, 6761906, 10688174, 13523812, 21376348, 23666671, 47333342, 94666684, 104809543, 165666697, 209619086, 331333394, 419238172, 662666788, 733666801, 1467333602, 2934667204, 5135667607, 10271335214, 20542670428]

約数ペア:

[(1, 20542670428), (2, 10271335214), (4, 5135667607), (7, 2934667204), (14, 1467333602), (28, 733666801), (31, 662666788), (49, 419238172), (62, 331333394), (98, 209619086), (124, 165666697), (196, 104809543), (217, 94666684), (434, 47333342), (868, 23666671), (961, 21376348), (1519, 13523812), (1922, 10688174), (3038, 6761906), (3844, 5344087), (6076, 3380953), (6727, 3053764), (13454, 1526882), (26908, 763441), (47089, 436252), (94178, 218126), (109063, 188356)]