20671196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 24346084

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 182, 218, 364, 436, 521, 763, 1042, 1417, 1526, 2084, 2834, 3052, 3647, 5668, 6773, 7294, 9919, 13546, 14588, 19838, 27092, 39676, 47411, 56789, 94822, 113578, 189644, 227156, 397523, 738257, 795046, 1476514, 1590092, 2953028, 5167799, 10335598, 20671196]

約数ペア:

[(1, 20671196), (2, 10335598), (4, 5167799), (7, 2953028), (13, 1590092), (14, 1476514), (26, 795046), (28, 738257), (52, 397523), (91, 227156), (109, 189644), (182, 113578), (218, 94822), (364, 56789), (436, 47411), (521, 39676), (763, 27092), (1042, 19838), (1417, 14588), (1526, 13546), (2084, 9919), (2834, 7294), (3052, 6773), (3647, 5668)]