20985612

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24631}}^1$

素因数の和:24709

約数の個数: 24

約数和(自身を含む): 49658112

約数和(自身を除く): 28672500

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24631, 49262, 73893, 98524, 147786, 295572, 1748801, 3497602, 5246403, 6995204, 10492806, 20985612]

約数ペア:

[(1, 20985612), (2, 10492806), (3, 6995204), (4, 5246403), (6, 3497602), (12, 1748801), (71, 295572), (142, 147786), (213, 98524), (284, 73893), (426, 49262), (852, 24631)]