20517336

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40709}}^1$

素因数の和:40728

約数の個数: 48

約数和(自身を含む): 63507600

約数和(自身を除く): 42990264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40709, 81418, 122127, 162836, 244254, 284963, 325672, 366381, 488508, 569926, 732762, 854889, 977016, 1139852, 1465524, 1709778, 2279704, 2564667, 2931048, 3419556, 5129334, 6839112, 10258668, 20517336]

約数ペア:

[(1, 20517336), (2, 10258668), (3, 6839112), (4, 5129334), (6, 3419556), (7, 2931048), (8, 2564667), (9, 2279704), (12, 1709778), (14, 1465524), (18, 1139852), (21, 977016), (24, 854889), (28, 732762), (36, 569926), (42, 488508), (56, 366381), (63, 325672), (72, 284963), (84, 244254), (126, 162836), (168, 122127), (252, 81418), (504, 40709)]