20187678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4759}}^1$

素因数の和:4872

約数の個数: 32

約数和(自身を含む): 46609920

約数和(自身を除く): 26422242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 4759, 9518, 14277, 28554, 33313, 66626, 99939, 199878, 480659, 961318, 1441977, 2883954, 3364613, 6729226, 10093839, 20187678]

約数ペア:

[(1, 20187678), (2, 10093839), (3, 6729226), (6, 3364613), (7, 2883954), (14, 1441977), (21, 961318), (42, 480659), (101, 199878), (202, 99939), (303, 66626), (606, 33313), (707, 28554), (1414, 14277), (2121, 9518), (4242, 4759)]