20735001

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3539}}^1$

素因数の和:3586

約数の個数: 32

約数和(自身を含む): 36249600

約数和(自身を除く): 15514599

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3539, 5859, 10617, 24773, 31851, 74319, 95553, 109709, 222957, 329127, 668871, 767963, 987381, 2303889, 2962143, 6911667, 20735001]

約数ペア:

[(1, 20735001), (3, 6911667), (7, 2962143), (9, 2303889), (21, 987381), (27, 767963), (31, 668871), (63, 329127), (93, 222957), (189, 109709), (217, 95553), (279, 74319), (651, 31851), (837, 24773), (1953, 10617), (3539, 5859)]