20376811188

素因数分解:

$2^2\times 3^2\times {\mathrm{991}}^1\times {\mathrm{571163}}^1$

素因数の和:572164

約数の個数: 36

約数和(自身を含む): 51560116608

約数和(自身を除く): 31183305420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 991, 1982, 2973, 3964, 5946, 8919, 11892, 17838, 35676, 571163, 1142326, 1713489, 2284652, 3426978, 5140467, 6853956, 10280934, 20561868, 566022533, 1132045066, 1698067599, 2264090132, 3396135198, 5094202797, 6792270396, 10188405594, 20376811188]

約数ペア:

[(1, 20376811188), (2, 10188405594), (3, 6792270396), (4, 5094202797), (6, 3396135198), (9, 2264090132), (12, 1698067599), (18, 1132045066), (36, 566022533), (991, 20561868), (1982, 10280934), (2973, 6853956), (3964, 5140467), (5946, 3426978), (8919, 2284652), (11892, 1713489), (17838, 1142326), (35676, 571163)]