20039640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5387}}^1$

素因数の和:5432

約数の個数: 64

約数和(自身を含む): 62069760

約数和(自身を除く): 42030120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5387, 10774, 16161, 21548, 26935, 32322, 43096, 53870, 64644, 80805, 107740, 129288, 161610, 166997, 215480, 323220, 333994, 500991, 646440, 667988, 834985, 1001982, 1335976, 1669970, 2003964, 2504955, 3339940, 4007928, 5009910, 6679880, 10019820, 20039640]

約数ペア:

[(1, 20039640), (2, 10019820), (3, 6679880), (4, 5009910), (5, 4007928), (6, 3339940), (8, 2504955), (10, 2003964), (12, 1669970), (15, 1335976), (20, 1001982), (24, 834985), (30, 667988), (31, 646440), (40, 500991), (60, 333994), (62, 323220), (93, 215480), (120, 166997), (124, 161610), (155, 129288), (186, 107740), (248, 80805), (310, 64644), (372, 53870), (465, 43096), (620, 32322), (744, 26935), (930, 21548), (1240, 16161), (1860, 10774), (3720, 5387)]