20847630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{883}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 50154624

約数和(自身を除く): 29306994

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 787, 883, 1574, 1766, 2361, 2649, 3935, 4415, 4722, 5298, 7870, 8830, 11805, 13245, 23610, 26490, 694921, 1389842, 2084763, 3474605, 4169526, 6949210, 10423815, 20847630]

約数ペア:

[(1, 20847630), (2, 10423815), (3, 6949210), (5, 4169526), (6, 3474605), (10, 2084763), (15, 1389842), (30, 694921), (787, 26490), (883, 23610), (1574, 13245), (1766, 11805), (2361, 8830), (2649, 7870), (3935, 5298), (4415, 4722)]