20548965

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 34433280

約数和(自身を除く): 13884315

約数列:

[1, 3, 5, 15, 29, 87, 97, 145, 291, 435, 485, 487, 1455, 1461, 2435, 2813, 7305, 8439, 14065, 14123, 42195, 42369, 47239, 70615, 141717, 211845, 236195, 708585, 1369931, 4109793, 6849655, 20548965]

約数ペア:

[(1, 20548965), (3, 6849655), (5, 4109793), (15, 1369931), (29, 708585), (87, 236195), (97, 211845), (145, 141717), (291, 70615), (435, 47239), (485, 42369), (487, 42195), (1455, 14123), (1461, 14065), (2435, 8439), (2813, 7305)]