20004382510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2181503}}^1$

素因数の和:2181648

約数の個数: 32

約数和(自身を含む): 41466028032

約数和(自身を除く): 21461645522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 4585, 9170, 2181503, 4363006, 10907515, 15270521, 21815030, 30541042, 76352605, 152705210, 285776893, 571553786, 1428884465, 2000438251, 2857768930, 4000876502, 10002191255, 20004382510]

約数ペア:

[(1, 20004382510), (2, 10002191255), (5, 4000876502), (7, 2857768930), (10, 2000438251), (14, 1428884465), (35, 571553786), (70, 285776893), (131, 152705210), (262, 76352605), (655, 30541042), (917, 21815030), (1310, 15270521), (1834, 10907515), (4585, 4363006), (9170, 2181503)]