20144872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 24178328

約数列:

[1, 2, 4, 8, 11, 22, 23, 37, 44, 46, 74, 88, 92, 148, 184, 253, 269, 296, 407, 506, 538, 814, 851, 1012, 1076, 1628, 1702, 2024, 2152, 2959, 3256, 3404, 5918, 6187, 6808, 9361, 9953, 11836, 12374, 18722, 19906, 23672, 24748, 37444, 39812, 49496, 68057, 74888, 79624, 109483, 136114, 218966, 228919, 272228, 437932, 457838, 544456, 875864, 915676, 1831352, 2518109, 5036218, 10072436, 20144872]

約数ペア:

[(1, 20144872), (2, 10072436), (4, 5036218), (8, 2518109), (11, 1831352), (22, 915676), (23, 875864), (37, 544456), (44, 457838), (46, 437932), (74, 272228), (88, 228919), (92, 218966), (148, 136114), (184, 109483), (253, 79624), (269, 74888), (296, 68057), (407, 49496), (506, 39812), (538, 37444), (814, 24748), (851, 23672), (1012, 19906), (1076, 18722), (1628, 12374), (1702, 11836), (2024, 9953), (2152, 9361), (2959, 6808), (3256, 6187), (3404, 5918)]