20475806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 35162400

約数和(自身を除く): 14686594

約数列:

[1, 2, 13, 19, 26, 38, 181, 229, 247, 362, 458, 494, 2353, 2977, 3439, 4351, 4706, 5954, 6878, 8702, 41449, 44707, 56563, 82898, 89414, 113126, 538837, 787531, 1077674, 1575062, 10237903, 20475806]

約数ペア:

[(1, 20475806), (2, 10237903), (13, 1575062), (19, 1077674), (26, 787531), (38, 538837), (181, 113126), (229, 89414), (247, 82898), (362, 56563), (458, 44707), (494, 41449), (2353, 8702), (2977, 6878), (3439, 5954), (4351, 4706)]