20219806

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12874850

約数列:

[1, 2, 23, 41, 46, 71, 82, 142, 151, 302, 943, 1633, 1886, 2911, 3266, 3473, 5822, 6191, 6946, 10721, 12382, 21442, 66953, 133906, 142393, 246583, 284786, 439561, 493166, 879122, 10109903, 20219806]

約数ペア:

[(1, 20219806), (2, 10109903), (23, 879122), (41, 493166), (46, 439561), (71, 284786), (82, 246583), (142, 142393), (151, 133906), (302, 66953), (943, 21442), (1633, 12382), (1886, 10721), (2911, 6946), (3266, 6191), (3473, 5822)]