20199443344

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9637139}}^1$

素因数の和:9637278

約数の個数: 20

約数和(自身を含む): 39435176880

約数和(自身を除く): 19235733536

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9637139, 19274278, 38548556, 77097112, 154194224, 1262465209, 2524930418, 5049860836, 10099721672, 20199443344]

約数ペア:

[(1, 20199443344), (2, 10099721672), (4, 5049860836), (8, 2524930418), (16, 1262465209), (131, 154194224), (262, 77097112), (524, 38548556), (1048, 19274278), (2096, 9637139)]