20815632

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4663}}^1$

素因数の和:4708

約数の個数: 60

約数和(自身を含む): 60146944

約数和(自身を除く): 39331312

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, 4663, 9326, 13989, 18652, 27978, 37304, 41967, 55956, 74608, 83934, 111912, 144553, 167868, 223824, 289106, 335736, 433659, 578212, 671472, 867318, 1156424, 1300977, 1734636, 2312848, 2601954, 3469272, 5203908, 6938544, 10407816, 20815632]

約数ペア:

[(1, 20815632), (2, 10407816), (3, 6938544), (4, 5203908), (6, 3469272), (8, 2601954), (9, 2312848), (12, 1734636), (16, 1300977), (18, 1156424), (24, 867318), (31, 671472), (36, 578212), (48, 433659), (62, 335736), (72, 289106), (93, 223824), (124, 167868), (144, 144553), (186, 111912), (248, 83934), (279, 74608), (372, 55956), (496, 41967), (558, 37304), (744, 27978), (1116, 18652), (1488, 13989), (2232, 9326), (4464, 4663)]