20245140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12497}}^1$

素因数の和:12518

約数の個数: 60

約数和(自身を含む): 63514836

約数和(自身を除く): 43269696

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, 12497, 24994, 37491, 49988, 62485, 74982, 112473, 124970, 149964, 187455, 224946, 249940, 337419, 374910, 449892, 562365, 674838, 749820, 1012257, 1124730, 1349676, 1687095, 2024514, 2249460, 3374190, 4049028, 5061285, 6748380, 10122570, 20245140]

約数ペア:

[(1, 20245140), (2, 10122570), (3, 6748380), (4, 5061285), (5, 4049028), (6, 3374190), (9, 2249460), (10, 2024514), (12, 1687095), (15, 1349676), (18, 1124730), (20, 1012257), (27, 749820), (30, 674838), (36, 562365), (45, 449892), (54, 374910), (60, 337419), (81, 249940), (90, 224946), (108, 187455), (135, 149964), (162, 124970), (180, 112473), (270, 74982), (324, 62485), (405, 49988), (540, 37491), (810, 24994), (1620, 12497)]