19995710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{863}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 41306112

約数和(自身を除く): 21310402

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 863, 1655, 1726, 2317, 3310, 4315, 4634, 6041, 8630, 11585, 12082, 23170, 30205, 60410, 285653, 571306, 1428265, 1999571, 2856530, 3999142, 9997855, 19995710]

約数ペア:

[(1, 19995710), (2, 9997855), (5, 3999142), (7, 2856530), (10, 1999571), (14, 1428265), (35, 571306), (70, 285653), (331, 60410), (662, 30205), (863, 23170), (1655, 12082), (1726, 11585), (2317, 8630), (3310, 6041), (4315, 4634)]