20742274

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1741}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 38128896

約数和(自身を除く): 17386622

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1702, 1741, 3482, 5957, 11914, 12187, 24374, 40043, 64417, 80086, 128834, 280301, 450919, 560602, 901838, 1481591, 2963182, 10371137, 20742274]

約数ペア:

[(1, 20742274), (2, 10371137), (7, 2963182), (14, 1481591), (23, 901838), (37, 560602), (46, 450919), (74, 280301), (161, 128834), (259, 80086), (322, 64417), (518, 40043), (851, 24374), (1702, 12187), (1741, 11914), (3482, 5957)]