20165628464

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{129893}}^1$

素因数の和:130245

約数の個数: 40

約数和(自身を含む): 40460422272

約数和(自身を除く): 20294793808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 313, 496, 626, 1252, 2504, 5008, 9703, 19406, 38812, 77624, 129893, 155248, 259786, 519572, 1039144, 2078288, 4026683, 8053366, 16106732, 32213464, 40656509, 64426928, 81313018, 162626036, 325252072, 650504144, 1260351779, 2520703558, 5041407116, 10082814232, 20165628464]

約数ペア:

[(1, 20165628464), (2, 10082814232), (4, 5041407116), (8, 2520703558), (16, 1260351779), (31, 650504144), (62, 325252072), (124, 162626036), (248, 81313018), (313, 64426928), (496, 40656509), (626, 32213464), (1252, 16106732), (2504, 8053366), (5008, 4026683), (9703, 2078288), (19406, 1039144), (38812, 519572), (77624, 259786), (129893, 155248)]