20187409718

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1\times {\mathrm{54469}}^1$

素因数の和:55652

約数の個数: 32

約数和(自身を含む): 36143677440

約数和(自身を除く): 15956267722

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1151, 2302, 8057, 16114, 26473, 52946, 54469, 108938, 185311, 370622, 381283, 762566, 1252787, 2505574, 8769509, 17539018, 62693819, 125387638, 438856733, 877713466, 1441957837, 2883915674, 10093704859, 20187409718]

約数ペア:

[(1, 20187409718), (2, 10093704859), (7, 2883915674), (14, 1441957837), (23, 877713466), (46, 438856733), (161, 125387638), (322, 62693819), (1151, 17539018), (2302, 8769509), (8057, 2505574), (16114, 1252787), (26473, 762566), (52946, 381283), (54469, 370622), (108938, 185311)]