20091544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 41317200

約数和(自身を除く): 21225656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 229, 458, 916, 997, 1832, 1994, 2519, 3988, 5038, 7976, 10076, 10967, 20152, 21934, 43868, 87736, 228313, 456626, 913252, 1826504, 2511443, 5022886, 10045772, 20091544]

約数ペア:

[(1, 20091544), (2, 10045772), (4, 5022886), (8, 2511443), (11, 1826504), (22, 913252), (44, 456626), (88, 228313), (229, 87736), (458, 43868), (916, 21934), (997, 20152), (1832, 10967), (1994, 10076), (2519, 7976), (3988, 5038)]