20121016336

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30672281}}^1$

素因数の和:30672330

約数の個数: 20

約数和(自身を含む): 39935311164

約数和(自身を除く): 19814294828

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30672281, 61344562, 122689124, 245378248, 490756496, 1257563521, 2515127042, 5030254084, 10060508168, 20121016336]

約数ペア:

[(1, 20121016336), (2, 10060508168), (4, 5030254084), (8, 2515127042), (16, 1257563521), (41, 490756496), (82, 245378248), (164, 122689124), (328, 61344562), (656, 30672281)]