20154711448

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{690419}}^1$

素因数の和:690555

約数の個数: 32

約数和(自身を含む): 39146814000

約数和(自身を除く): 18992102552

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 712, 3649, 7298, 14596, 29192, 690419, 1380838, 2761676, 5523352, 28307179, 56614358, 61447291, 113228716, 122894582, 226457432, 245789164, 491578328, 2519338931, 5038677862, 10077355724, 20154711448]

約数ペア:

[(1, 20154711448), (2, 10077355724), (4, 5038677862), (8, 2519338931), (41, 491578328), (82, 245789164), (89, 226457432), (164, 122894582), (178, 113228716), (328, 61447291), (356, 56614358), (712, 28307179), (3649, 5523352), (7298, 2761676), (14596, 1380838), (29192, 690419)]