16324820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13381}}^1$

素因数の和:13451

約数の個数: 24

約数和(自身を含む): 34846728

約数和(自身を除く): 18521908

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 13381, 26762, 53524, 66905, 133810, 267620, 816241, 1632482, 3264964, 4081205, 8162410, 16324820]

約数ペア:

[(1, 16324820), (2, 8162410), (4, 4081205), (5, 3264964), (10, 1632482), (20, 816241), (61, 267620), (122, 133810), (244, 66905), (305, 53524), (610, 26762), (1220, 13381)]