20177340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{643}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 56692608

約数和(自身を除く): 36515268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 643, 1046, 1286, 1569, 1929, 2092, 2572, 2615, 3138, 3215, 3858, 5230, 6276, 6430, 7716, 7845, 9645, 10460, 12860, 15690, 19290, 31380, 38580, 336289, 672578, 1008867, 1345156, 1681445, 2017734, 3362890, 4035468, 5044335, 6725780, 10088670, 20177340]

約数ペア:

[(1, 20177340), (2, 10088670), (3, 6725780), (4, 5044335), (5, 4035468), (6, 3362890), (10, 2017734), (12, 1681445), (15, 1345156), (20, 1008867), (30, 672578), (60, 336289), (523, 38580), (643, 31380), (1046, 19290), (1286, 15690), (1569, 12860), (1929, 10460), (2092, 9645), (2572, 7845), (2615, 7716), (3138, 6430), (3215, 6276), (3858, 5230)]