20199703990

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1721}}^1\times {\mathrm{4567}}^1$

素因数の和:6552

約数の個数: 32

約数和(自身を含む): 36530149824

約数和(自身を除く): 16330445834

約数列:

[1, 2, 5, 10, 257, 514, 1285, 1721, 2570, 3442, 4567, 8605, 9134, 17210, 22835, 45670, 442297, 884594, 1173719, 2211485, 2347438, 4422970, 5868595, 7859807, 11737190, 15719614, 39299035, 78598070, 2019970399, 4039940798, 10099851995, 20199703990]

約数ペア:

[(1, 20199703990), (2, 10099851995), (5, 4039940798), (10, 2019970399), (257, 78598070), (514, 39299035), (1285, 15719614), (1721, 11737190), (2570, 7859807), (3442, 5868595), (4567, 4422970), (8605, 2347438), (9134, 2211485), (17210, 1173719), (22835, 884594), (45670, 442297)]