20512142736

素因数分解:

$2^4\times 3^1\times {\mathrm{1361}}^1\times {\mathrm{313987}}^1$

素因数の和:315359

約数の個数: 40

約数和(自身を含む): 53028805344

約数和(自身を除く): 32516662608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1361, 2722, 4083, 5444, 8166, 10888, 16332, 21776, 32664, 65328, 313987, 627974, 941961, 1255948, 1883922, 2511896, 3767844, 5023792, 7535688, 15071376, 427336307, 854672614, 1282008921, 1709345228, 2564017842, 3418690456, 5128035684, 6837380912, 10256071368, 20512142736]

約数ペア:

[(1, 20512142736), (2, 10256071368), (3, 6837380912), (4, 5128035684), (6, 3418690456), (8, 2564017842), (12, 1709345228), (16, 1282008921), (24, 854672614), (48, 427336307), (1361, 15071376), (2722, 7535688), (4083, 5023792), (5444, 3767844), (8166, 2511896), (10888, 1883922), (16332, 1255948), (21776, 941961), (32664, 627974), (65328, 313987)]