20344662

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 49479360

約数和(自身を除く): 29134698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 117, 146, 219, 234, 351, 397, 438, 657, 702, 794, 949, 1191, 1314, 1898, 1971, 2382, 2847, 3573, 3942, 5161, 5694, 7146, 8541, 10322, 10719, 15483, 17082, 21438, 25623, 28981, 30966, 46449, 51246, 57962, 86943, 92898, 139347, 173886, 260829, 278694, 376753, 521658, 753506, 782487, 1130259, 1564974, 2260518, 3390777, 6781554, 10172331, 20344662]

約数ペア:

[(1, 20344662), (2, 10172331), (3, 6781554), (6, 3390777), (9, 2260518), (13, 1564974), (18, 1130259), (26, 782487), (27, 753506), (39, 521658), (54, 376753), (73, 278694), (78, 260829), (117, 173886), (146, 139347), (219, 92898), (234, 86943), (351, 57962), (397, 51246), (438, 46449), (657, 30966), (702, 28981), (794, 25623), (949, 21438), (1191, 17082), (1314, 15483), (1898, 10719), (1971, 10322), (2382, 8541), (2847, 7146), (3573, 5694), (3942, 5161)]