20861274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3911}}^1$

素因数の和:4050

約数の個数: 32

約数和(自身を含む): 48070656

約数和(自身を除く): 27209382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3911, 5334, 7822, 11733, 23466, 27377, 54754, 82131, 164262, 496697, 993394, 1490091, 2980182, 3476879, 6953758, 10430637, 20861274]

約数ペア:

[(1, 20861274), (2, 10430637), (3, 6953758), (6, 3476879), (7, 2980182), (14, 1490091), (21, 993394), (42, 496697), (127, 164262), (254, 82131), (381, 54754), (762, 27377), (889, 23466), (1778, 11733), (2667, 7822), (3911, 5334)]