20315418

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 21597222

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 269, 307, 538, 614, 807, 921, 1614, 1842, 11029, 12587, 22058, 25174, 33087, 37761, 66174, 75522, 82583, 165166, 247749, 495498, 3385903, 6771806, 10157709, 20315418]

約数ペア:

[(1, 20315418), (2, 10157709), (3, 6771806), (6, 3385903), (41, 495498), (82, 247749), (123, 165166), (246, 82583), (269, 75522), (307, 66174), (538, 37761), (614, 33087), (807, 25174), (921, 22058), (1614, 12587), (1842, 11029)]