20382070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18173930

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1049, 1943, 2098, 3886, 5245, 9715, 10490, 19430, 30421, 60842, 70283, 140566, 152105, 304210, 351415, 702830, 2038207, 4076414, 10191035, 20382070]

約数ペア:

[(1, 20382070), (2, 10191035), (5, 4076414), (10, 2038207), (29, 702830), (58, 351415), (67, 304210), (134, 152105), (145, 140566), (290, 70283), (335, 60842), (670, 30421), (1049, 19430), (1943, 10490), (2098, 9715), (3886, 5245)]