20001891344

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11062993}}^1$

素因数の和:11063114

約数の個数: 20

約数和(自身を含む): 39096620796

約数和(自身を除く): 19094729452

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11062993, 22125986, 44251972, 88503944, 177007888, 1250118209, 2500236418, 5000472836, 10000945672, 20001891344]

約数ペア:

[(1, 20001891344), (2, 10000945672), (4, 5000472836), (8, 2500236418), (16, 1250118209), (113, 177007888), (226, 88503944), (452, 44251972), (904, 22125986), (1808, 11062993)]