20523512

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 39480480

約数和(自身を除く): 18956968

約数列:

[1, 2, 4, 8, 73, 113, 146, 226, 292, 311, 452, 584, 622, 904, 1244, 2488, 8249, 16498, 22703, 32996, 35143, 45406, 65992, 70286, 90812, 140572, 181624, 281144, 2565439, 5130878, 10261756, 20523512]

約数ペア:

[(1, 20523512), (2, 10261756), (4, 5130878), (8, 2565439), (73, 281144), (113, 181624), (146, 140572), (226, 90812), (292, 70286), (311, 65992), (452, 45406), (584, 35143), (622, 32996), (904, 22703), (1244, 16498), (2488, 8249)]