20746812

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 51172352

約数和(自身を除く): 30425540

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 1297, 1333, 2594, 2666, 3891, 3999, 5188, 5332, 7782, 7998, 15564, 15996, 40207, 55771, 80414, 111542, 120621, 160828, 167313, 223084, 241242, 334626, 482484, 669252, 1728901, 3457802, 5186703, 6915604, 10373406, 20746812]

約数ペア:

[(1, 20746812), (2, 10373406), (3, 6915604), (4, 5186703), (6, 3457802), (12, 1728901), (31, 669252), (43, 482484), (62, 334626), (86, 241242), (93, 223084), (124, 167313), (129, 160828), (172, 120621), (186, 111542), (258, 80414), (372, 55771), (516, 40207), (1297, 15996), (1333, 15564), (2594, 7998), (2666, 7782), (3891, 5332), (3999, 5188)]