20127597

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 31874304

約数和(自身を除く): 11746707

約数列:

[1, 3, 7, 21, 41, 97, 123, 241, 287, 291, 679, 723, 861, 1687, 2037, 3977, 5061, 9881, 11931, 23377, 27839, 29643, 69167, 70131, 83517, 163639, 207501, 490917, 958457, 2875371, 6709199, 20127597]

約数ペア:

[(1, 20127597), (3, 6709199), (7, 2875371), (21, 958457), (41, 490917), (97, 207501), (123, 163639), (241, 83517), (287, 70131), (291, 69167), (679, 29643), (723, 27839), (861, 23377), (1687, 11931), (2037, 9881), (3977, 5061)]