20178394850

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2357}}^1\times {\mathrm{3643}}^1$

素因数の和:6059

約数の個数: 48

約数和(自身を含む): 38357152128

約数和(自身を除く): 18178757278

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 2357, 3643, 4714, 7286, 11785, 18215, 23570, 36430, 58925, 91075, 110779, 117850, 171221, 182150, 221558, 342442, 553895, 856105, 1107790, 1712210, 2769475, 4280525, 5538950, 8561050, 8586551, 17173102, 42932755, 85865510, 214663775, 403567897, 429327550, 807135794, 2017839485, 4035678970, 10089197425, 20178394850]

約数ペア:

[(1, 20178394850), (2, 10089197425), (5, 4035678970), (10, 2017839485), (25, 807135794), (47, 429327550), (50, 403567897), (94, 214663775), (235, 85865510), (470, 42932755), (1175, 17173102), (2350, 8586551), (2357, 8561050), (3643, 5538950), (4714, 4280525), (7286, 2769475), (11785, 1712210), (18215, 1107790), (23570, 856105), (36430, 553895), (58925, 342442), (91075, 221558), (110779, 182150), (117850, 171221)]