20589084

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 36020196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 971, 1116, 1178, 1767, 1942, 2356, 2913, 3534, 3884, 5301, 5826, 7068, 8739, 10602, 11652, 17478, 18449, 21204, 30101, 34956, 36898, 55347, 60202, 73796, 90303, 110694, 120404, 166041, 180606, 221388, 270909, 332082, 361212, 541818, 571919, 664164, 1083636, 1143838, 1715757, 2287676, 3431514, 5147271, 6863028, 10294542, 20589084]

約数ペア:

[(1, 20589084), (2, 10294542), (3, 6863028), (4, 5147271), (6, 3431514), (9, 2287676), (12, 1715757), (18, 1143838), (19, 1083636), (31, 664164), (36, 571919), (38, 541818), (57, 361212), (62, 332082), (76, 270909), (93, 221388), (114, 180606), (124, 166041), (171, 120404), (186, 110694), (228, 90303), (279, 73796), (342, 60202), (372, 55347), (558, 36898), (589, 34956), (684, 30101), (971, 21204), (1116, 18449), (1178, 17478), (1767, 11652), (1942, 10602), (2356, 8739), (2913, 7068), (3534, 5826), (3884, 5301)]