20695515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14140965

約数列:

[1, 3, 5, 15, 23, 69, 115, 223, 269, 345, 669, 807, 1115, 1345, 3345, 4035, 5129, 6187, 15387, 18561, 25645, 30935, 59987, 76935, 92805, 179961, 299935, 899805, 1379701, 4139103, 6898505, 20695515]

約数ペア:

[(1, 20695515), (3, 6898505), (5, 4139103), (15, 1379701), (23, 899805), (69, 299935), (115, 179961), (223, 92805), (269, 76935), (345, 59987), (669, 30935), (807, 25645), (1115, 18561), (1345, 15387), (3345, 6187), (4035, 5129)]