20016290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1063}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 21352030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1063, 1345, 1883, 2126, 2690, 3766, 5315, 7441, 9415, 10630, 14882, 18830, 37205, 74410, 285947, 571894, 1429735, 2001629, 2859470, 4003258, 10008145, 20016290]

約数ペア:

[(1, 20016290), (2, 10008145), (5, 4003258), (7, 2859470), (10, 2001629), (14, 1429735), (35, 571894), (70, 285947), (269, 74410), (538, 37205), (1063, 18830), (1345, 14882), (1883, 10630), (2126, 9415), (2690, 7441), (3766, 5315)]