20493256

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12619}}^1$

素因数の和:12661

約数の個数: 32

約数和(自身を含む): 45432000

約数和(自身を除く): 24938744

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12619, 25238, 50476, 88333, 100952, 176666, 353332, 365951, 706664, 731902, 1463804, 2561657, 2927608, 5123314, 10246628, 20493256]

約数ペア:

[(1, 20493256), (2, 10246628), (4, 5123314), (7, 2927608), (8, 2561657), (14, 1463804), (28, 731902), (29, 706664), (56, 365951), (58, 353332), (116, 176666), (203, 100952), (232, 88333), (406, 50476), (812, 25238), (1624, 12619)]