20531328

素因数分解:

$2^7\times 3^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 55096320

約数和(自身を除く): 34564992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 381, 384, 421, 508, 762, 842, 1016, 1263, 1524, 1684, 2032, 2526, 3048, 3368, 4064, 5052, 6096, 6736, 8128, 10104, 12192, 13472, 16256, 20208, 24384, 26944, 40416, 48768, 53467, 53888, 80832, 106934, 160401, 161664, 213868, 320802, 427736, 641604, 855472, 1283208, 1710944, 2566416, 3421888, 5132832, 6843776, 10265664, 20531328]

約数ペア:

[(1, 20531328), (2, 10265664), (3, 6843776), (4, 5132832), (6, 3421888), (8, 2566416), (12, 1710944), (16, 1283208), (24, 855472), (32, 641604), (48, 427736), (64, 320802), (96, 213868), (127, 161664), (128, 160401), (192, 106934), (254, 80832), (381, 53888), (384, 53467), (421, 48768), (508, 40416), (762, 26944), (842, 24384), (1016, 20208), (1263, 16256), (1524, 13472), (1684, 12192), (2032, 10104), (2526, 8128), (3048, 6736), (3368, 6096), (4064, 5052)]