20045982663

素因数分解:

$3^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{160621}}^1$

素因数の和:160924

約数の個数: 36

約数和(自身を含む): 33801936168

約数和(自身を除く): 13755953505

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 283, 441, 849, 1981, 2547, 5943, 13867, 17829, 41601, 124803, 160621, 481863, 1124347, 1445589, 3373041, 7870429, 10119123, 23611287, 45455743, 70833861, 136367229, 318190201, 409101687, 954570603, 2227331407, 2863711809, 6681994221, 20045982663]

約数ペア:

[(1, 20045982663), (3, 6681994221), (7, 2863711809), (9, 2227331407), (21, 954570603), (49, 409101687), (63, 318190201), (147, 136367229), (283, 70833861), (441, 45455743), (849, 23611287), (1981, 10119123), (2547, 7870429), (5943, 3373041), (13867, 1445589), (17829, 1124347), (41601, 481863), (124803, 160621)]