20216403075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1439}}^1\times {\mathrm{17029}}^1$

素因数の和:18492

約数の個数: 48

約数和(自身を含む): 36490521600

約数和(自身を除く): 16274118525

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 1439, 4317, 7195, 15829, 17029, 21585, 35975, 47487, 51087, 79145, 85145, 107925, 187319, 237435, 255435, 395725, 425725, 561957, 936595, 1187175, 1277175, 2809785, 4682975, 14048925, 24504731, 73514193, 122523655, 269552041, 367570965, 612618275, 808656123, 1347760205, 1837854825, 4043280615, 6738801025, 20216403075]

約数ペア:

[(1, 20216403075), (3, 6738801025), (5, 4043280615), (11, 1837854825), (15, 1347760205), (25, 808656123), (33, 612618275), (55, 367570965), (75, 269552041), (165, 122523655), (275, 73514193), (825, 24504731), (1439, 14048925), (4317, 4682975), (7195, 2809785), (15829, 1277175), (17029, 1187175), (21585, 936595), (35975, 561957), (47487, 425725), (51087, 395725), (79145, 255435), (85145, 237435), (107925, 187319)]