20135097008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{486449}}^1$

素因数の和:486669

約数の個数: 40

約数和(自身を含む): 42223860000

約数和(自身を除く): 22088762992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 1592, 2587, 3184, 5174, 10348, 20696, 41392, 486449, 972898, 1945796, 3891592, 6323837, 7783184, 12647674, 25295348, 50590696, 96803351, 101181392, 193606702, 387213404, 774426808, 1258443563, 1548853616, 2516887126, 5033774252, 10067548504, 20135097008]

約数ペア:

[(1, 20135097008), (2, 10067548504), (4, 5033774252), (8, 2516887126), (13, 1548853616), (16, 1258443563), (26, 774426808), (52, 387213404), (104, 193606702), (199, 101181392), (208, 96803351), (398, 50590696), (796, 25295348), (1592, 12647674), (2587, 7783184), (3184, 6323837), (5174, 3891592), (10348, 1945796), (20696, 972898), (41392, 486449)]