20512191585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4549}}^1\times {\mathrm{17683}}^1$

素因数の和:22257

約数の個数: 32

約数和(自身を含む): 34759670400

約数和(自身を除く): 14247478815

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 4549, 13647, 17683, 22745, 53049, 68235, 77333, 88415, 231999, 265245, 300611, 386665, 901833, 1159995, 1503055, 4509165, 80439967, 241319901, 402199835, 1206599505, 1367479439, 4102438317, 6837397195, 20512191585]

約数ペア:

[(1, 20512191585), (3, 6837397195), (5, 4102438317), (15, 1367479439), (17, 1206599505), (51, 402199835), (85, 241319901), (255, 80439967), (4549, 4509165), (13647, 1503055), (17683, 1159995), (22745, 901833), (53049, 386665), (68235, 300611), (77333, 265245), (88415, 231999)]