20527110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3739}}^1$

素因数の和:3813

約数の個数: 48

約数和(自身を含む): 54259920

約数和(自身を除く): 33732810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3739, 5490, 7478, 11217, 18695, 22434, 33651, 37390, 56085, 67302, 112170, 168255, 228079, 336510, 456158, 684237, 1140395, 1368474, 2052711, 2280790, 3421185, 4105422, 6842370, 10263555, 20527110]

約数ペア:

[(1, 20527110), (2, 10263555), (3, 6842370), (5, 4105422), (6, 3421185), (9, 2280790), (10, 2052711), (15, 1368474), (18, 1140395), (30, 684237), (45, 456158), (61, 336510), (90, 228079), (122, 168255), (183, 112170), (305, 67302), (366, 56085), (549, 37390), (610, 33651), (915, 22434), (1098, 18695), (1830, 11217), (2745, 7478), (3739, 5490)]