20459056

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 41050944

約数和(自身を除く): 20591888

約数列:

[1, 2, 4, 8, 16, 43, 86, 131, 172, 227, 262, 344, 454, 524, 688, 908, 1048, 1816, 2096, 3632, 5633, 9761, 11266, 19522, 22532, 29737, 39044, 45064, 59474, 78088, 90128, 118948, 156176, 237896, 475792, 1278691, 2557382, 5114764, 10229528, 20459056]

約数ペア:

[(1, 20459056), (2, 10229528), (4, 5114764), (8, 2557382), (16, 1278691), (43, 475792), (86, 237896), (131, 156176), (172, 118948), (227, 90128), (262, 78088), (344, 59474), (454, 45064), (524, 39044), (688, 29737), (908, 22532), (1048, 19522), (1816, 11266), (2096, 9761), (3632, 5633)]