206348540

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{61781}}^1$

素因数の和:61957

約数の個数: 24

約数和(自身を含む): 435933792

約数和(自身を除く): 229585252

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 61781, 123562, 247124, 308905, 617810, 1235620, 10317427, 20634854, 41269708, 51587135, 103174270, 206348540]

約数ペア:

[(1, 206348540), (2, 103174270), (4, 51587135), (5, 41269708), (10, 20634854), (20, 10317427), (167, 1235620), (334, 617810), (668, 308905), (835, 247124), (1670, 123562), (3340, 61781)]