20799075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1483}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 18948381

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1483, 2805, 4449, 4675, 7415, 14025, 16313, 22245, 25211, 37075, 48939, 75633, 81565, 111225, 126055, 244695, 277321, 378165, 407825, 630275, 831963, 1223475, 1386605, 1890825, 4159815, 6933025, 20799075]

約数ペア:

[(1, 20799075), (3, 6933025), (5, 4159815), (11, 1890825), (15, 1386605), (17, 1223475), (25, 831963), (33, 630275), (51, 407825), (55, 378165), (75, 277321), (85, 244695), (165, 126055), (187, 111225), (255, 81565), (275, 75633), (425, 48939), (561, 37075), (825, 25211), (935, 22245), (1275, 16313), (1483, 14025), (2805, 7415), (4449, 4675)]