20635904

素因数分解:

$2^8\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 41544300

約数和(自身を除く): 20908396

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 256, 298, 541, 596, 1082, 1192, 2164, 2384, 4328, 4768, 8656, 9536, 17312, 19072, 34624, 38144, 69248, 80609, 138496, 161218, 322436, 644872, 1289744, 2579488, 5158976, 10317952, 20635904]

約数ペア:

[(1, 20635904), (2, 10317952), (4, 5158976), (8, 2579488), (16, 1289744), (32, 644872), (64, 322436), (128, 161218), (149, 138496), (256, 80609), (298, 69248), (541, 38144), (596, 34624), (1082, 19072), (1192, 17312), (2164, 9536), (2384, 8656), (4328, 4768)]