20758190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5356

約数の個数: 32

約数和(自身を含む): 41290560

約数和(自身を除く): 20532370

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5309, 10618, 26545, 53090, 90253, 122107, 180506, 244214, 451265, 610535, 902530, 1221070, 2075819, 4151638, 10379095, 20758190]

約数ペア:

[(1, 20758190), (2, 10379095), (5, 4151638), (10, 2075819), (17, 1221070), (23, 902530), (34, 610535), (46, 451265), (85, 244214), (115, 180506), (170, 122107), (230, 90253), (391, 53090), (782, 26545), (1955, 10618), (3910, 5309)]