20145469965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1\times {\mathrm{40493}}^1$

素因数の和:42469

約数の個数: 32

約数和(自身を含む): 34147132416

約数和(自身を除く): 14001662451

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1951, 5853, 9755, 29265, 33167, 40493, 99501, 121479, 165835, 202465, 497505, 607395, 688381, 2065143, 3441905, 10325715, 79001843, 237005529, 395009215, 1185027645, 1343031331, 4029093993, 6715156655, 20145469965]

約数ペア:

[(1, 20145469965), (3, 6715156655), (5, 4029093993), (15, 1343031331), (17, 1185027645), (51, 395009215), (85, 237005529), (255, 79001843), (1951, 10325715), (5853, 3441905), (9755, 2065143), (29265, 688381), (33167, 607395), (40493, 497505), (99501, 202465), (121479, 165835)]