20848180065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9467}}^1\times {\mathrm{7727}}^1$

素因数の和:17221

約数の個数: 32

約数和(自身を含む): 35120977920

約数和(自身を除く): 14272797855

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 7727, 9467, 23181, 28401, 38635, 47335, 115905, 142005, 146813, 179873, 440439, 539619, 734065, 899365, 2202195, 2698095, 73151509, 219454527, 365757545, 1097272635, 1389878671, 4169636013, 6949393355, 20848180065]

約数ペア:

[(1, 20848180065), (3, 6949393355), (5, 4169636013), (15, 1389878671), (19, 1097272635), (57, 365757545), (95, 219454527), (285, 73151509), (7727, 2698095), (9467, 2202195), (23181, 899365), (28401, 734065), (38635, 539619), (47335, 440439), (115905, 179873), (142005, 146813)]