20065210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19851590

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2309, 4345, 4618, 8690, 11545, 23090, 25399, 50798, 126995, 182411, 253990, 364822, 912055, 1824110, 2006521, 4013042, 10032605, 20065210]

約数ペア:

[(1, 20065210), (2, 10032605), (5, 4013042), (10, 2006521), (11, 1824110), (22, 912055), (55, 364822), (79, 253990), (110, 182411), (158, 126995), (395, 50798), (790, 25399), (869, 23090), (1738, 11545), (2309, 8690), (4345, 4618)]