20605830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98123}}^1$

素因数の和:98140

約数の個数: 32

約数和(自身を含む): 56519424

約数和(自身を除く): 35913594

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98123, 196246, 294369, 490615, 588738, 686861, 981230, 1373722, 1471845, 2060583, 2943690, 3434305, 4121166, 6868610, 10302915, 20605830]

約数ペア:

[(1, 20605830), (2, 10302915), (3, 6868610), (5, 4121166), (6, 3434305), (7, 2943690), (10, 2060583), (14, 1471845), (15, 1373722), (21, 981230), (30, 686861), (35, 588738), (42, 490615), (70, 294369), (105, 196246), (210, 98123)]