20318148

素因数分解:

$2^2\times 3^3\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 32601852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 419, 449, 838, 898, 1257, 1347, 1676, 1796, 2514, 2694, 3771, 4041, 5028, 5388, 7542, 8082, 11313, 12123, 15084, 16164, 22626, 24246, 45252, 48492, 188131, 376262, 564393, 752524, 1128786, 1693179, 2257572, 3386358, 5079537, 6772716, 10159074, 20318148]

約数ペア:

[(1, 20318148), (2, 10159074), (3, 6772716), (4, 5079537), (6, 3386358), (9, 2257572), (12, 1693179), (18, 1128786), (27, 752524), (36, 564393), (54, 376262), (108, 188131), (419, 48492), (449, 45252), (838, 24246), (898, 22626), (1257, 16164), (1347, 15084), (1676, 12123), (1796, 11313), (2514, 8082), (2694, 7542), (3771, 5388), (4041, 5028)]