17621020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 38723328

約数和(自身を除く): 21102308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 293, 310, 388, 485, 586, 620, 970, 1172, 1465, 1940, 2930, 3007, 5860, 6014, 9083, 12028, 15035, 18166, 28421, 30070, 36332, 45415, 56842, 60140, 90830, 113684, 142105, 181660, 284210, 568420, 881051, 1762102, 3524204, 4405255, 8810510, 17621020]

約数ペア:

[(1, 17621020), (2, 8810510), (4, 4405255), (5, 3524204), (10, 1762102), (20, 881051), (31, 568420), (62, 284210), (97, 181660), (124, 142105), (155, 113684), (194, 90830), (293, 60140), (310, 56842), (388, 45415), (485, 36332), (586, 30070), (620, 28421), (970, 18166), (1172, 15035), (1465, 12028), (1940, 9083), (2930, 6014), (3007, 5860)]