20011836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{787}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 50658944

約数和(自身を除く): 30647108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 787, 978, 1574, 1956, 2119, 2361, 3148, 4238, 4722, 6357, 8476, 9444, 10231, 12714, 20462, 25428, 30693, 40924, 61386, 122772, 128281, 256562, 384843, 513124, 769686, 1539372, 1667653, 3335306, 5002959, 6670612, 10005918, 20011836]

約数ペア:

[(1, 20011836), (2, 10005918), (3, 6670612), (4, 5002959), (6, 3335306), (12, 1667653), (13, 1539372), (26, 769686), (39, 513124), (52, 384843), (78, 256562), (156, 128281), (163, 122772), (326, 61386), (489, 40924), (652, 30693), (787, 25428), (978, 20462), (1574, 12714), (1956, 10231), (2119, 9444), (2361, 8476), (3148, 6357), (4238, 4722)]