20628144

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4666

約数の個数: 60

約数和(自身を含む): 59605312

約数和(自身を除く): 38977168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4621, 9242, 13863, 18484, 27726, 36968, 41589, 55452, 73936, 83178, 110904, 143251, 166356, 221808, 286502, 332712, 429753, 573004, 665424, 859506, 1146008, 1289259, 1719012, 2292016, 2578518, 3438024, 5157036, 6876048, 10314072, 20628144]

約数ペア:

[(1, 20628144), (2, 10314072), (3, 6876048), (4, 5157036), (6, 3438024), (8, 2578518), (9, 2292016), (12, 1719012), (16, 1289259), (18, 1146008), (24, 859506), (31, 665424), (36, 573004), (48, 429753), (62, 332712), (72, 286502), (93, 221808), (124, 166356), (144, 143251), (186, 110904), (248, 83178), (279, 73936), (372, 55452), (496, 41589), (558, 36968), (744, 27726), (1116, 18484), (1488, 13863), (2232, 9242), (4464, 4621)]