20636715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 36271872

約数和(自身を除く): 15635157

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 181, 543, 691, 905, 1991, 2073, 2715, 3455, 5973, 7601, 9955, 10365, 22803, 29865, 38005, 114015, 125071, 375213, 625355, 1375781, 1876065, 4127343, 6878905, 20636715]

約数ペア:

[(1, 20636715), (3, 6878905), (5, 4127343), (11, 1876065), (15, 1375781), (33, 625355), (55, 375213), (165, 125071), (181, 114015), (543, 38005), (691, 29865), (905, 22803), (1991, 10365), (2073, 9955), (2715, 7601), (3455, 5973)]