20089620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12401}}^1$

素因数の和:12422

約数の個数: 60

約数和(自身を含む): 63026964

約数和(自身を除く): 42937344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12401, 24802, 37203, 49604, 62005, 74406, 111609, 124010, 148812, 186015, 223218, 248020, 334827, 372030, 446436, 558045, 669654, 744060, 1004481, 1116090, 1339308, 1674135, 2008962, 2232180, 3348270, 4017924, 5022405, 6696540, 10044810, 20089620]

約数ペア:

[(1, 20089620), (2, 10044810), (3, 6696540), (4, 5022405), (5, 4017924), (6, 3348270), (9, 2232180), (10, 2008962), (12, 1674135), (15, 1339308), (18, 1116090), (20, 1004481), (27, 744060), (30, 669654), (36, 558045), (45, 446436), (54, 372030), (60, 334827), (81, 248020), (90, 223218), (108, 186015), (135, 148812), (162, 124010), (180, 111609), (270, 74406), (324, 62005), (405, 49604), (540, 37203), (810, 24802), (1620, 12401)]