20496475190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33600779}}^1$

素因数の和:33600847

約数の個数: 16

約数和(自身を含む): 37498470480

約数和(自身を除く): 17001995290

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 33600779, 67201558, 168003895, 336007790, 2049647519, 4099295038, 10248237595, 20496475190]

約数ペア:

[(1, 20496475190), (2, 10248237595), (5, 4099295038), (10, 2049647519), (61, 336007790), (122, 168003895), (305, 67201558), (610, 33600779)]