20121247792

素因数分解:

$2^4\times {\mathrm{2333}}^1\times {\mathrm{539039}}^1$

素因数の和:541380

約数の個数: 20

約数和(自身を含む): 39001700160

約数和(自身を除く): 18880452368

約数列:

[1, 2, 4, 8, 16, 2333, 4666, 9332, 18664, 37328, 539039, 1078078, 2156156, 4312312, 8624624, 1257577987, 2515155974, 5030311948, 10060623896, 20121247792]

約数ペア:

[(1, 20121247792), (2, 10060623896), (4, 5030311948), (8, 2515155974), (16, 1257577987), (2333, 8624624), (4666, 4312312), (9332, 2156156), (18664, 1078078), (37328, 539039)]