20747130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1993}}^1$

素因数の和:2350

約数の個数: 32

約数和(自身を含む): 49961664

約数和(自身を除く): 29214534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 1993, 2082, 3470, 3986, 5205, 5979, 9965, 10410, 11958, 19930, 29895, 59790, 691571, 1383142, 2074713, 3457855, 4149426, 6915710, 10373565, 20747130]

約数ペア:

[(1, 20747130), (2, 10373565), (3, 6915710), (5, 4149426), (6, 3457855), (10, 2074713), (15, 1383142), (30, 691571), (347, 59790), (694, 29895), (1041, 19930), (1735, 11958), (1993, 10410), (2082, 9965), (3470, 5979), (3986, 5205)]