20137555221

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{5742103}}^1$

素因数の和:5742280

約数の個数: 16

約数和(自身を含む): 30869551104

約数和(自身を除く): 10731995883

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 5742103, 17226309, 40194721, 120584163, 958931201, 2876793603, 6712518407, 20137555221]

約数ペア:

[(1, 20137555221), (3, 6712518407), (7, 2876793603), (21, 958931201), (167, 120584163), (501, 40194721), (1169, 17226309), (3507, 5742103)]