20581190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1093}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 42534720

約数和(自身を除く): 21953530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1093, 1345, 1883, 2186, 2690, 3766, 5465, 7651, 9415, 10930, 15302, 18830, 38255, 76510, 294017, 588034, 1470085, 2058119, 2940170, 4116238, 10290595, 20581190]

約数ペア:

[(1, 20581190), (2, 10290595), (5, 4116238), (7, 2940170), (10, 2058119), (14, 1470085), (35, 588034), (70, 294017), (269, 76510), (538, 38255), (1093, 18830), (1345, 15302), (1883, 10930), (2186, 9415), (2690, 7651), (3766, 5465)]