16771460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 36599472

約数和(自身を除く): 19828012

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 181, 205, 226, 362, 410, 452, 565, 724, 820, 905, 1130, 1810, 2260, 3620, 4633, 7421, 9266, 14842, 18532, 20453, 23165, 29684, 37105, 40906, 46330, 74210, 81812, 92660, 102265, 148420, 204530, 409060, 838573, 1677146, 3354292, 4192865, 8385730, 16771460]

約数ペア:

[(1, 16771460), (2, 8385730), (4, 4192865), (5, 3354292), (10, 1677146), (20, 838573), (41, 409060), (82, 204530), (113, 148420), (164, 102265), (181, 92660), (205, 81812), (226, 74210), (362, 46330), (410, 40906), (452, 37105), (565, 29684), (724, 23165), (820, 20453), (905, 18532), (1130, 14842), (1810, 9266), (2260, 7421), (3620, 4633)]