20091472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40507}}^1$

素因数の和:40546

約数の個数: 20

約数和(自身を含む): 40183936

約数和(自身を除く): 20092464

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40507, 81014, 162028, 324056, 648112, 1255717, 2511434, 5022868, 10045736, 20091472]

約数ペア:

[(1, 20091472), (2, 10045736), (4, 5022868), (8, 2511434), (16, 1255717), (31, 648112), (62, 324056), (124, 162028), (248, 81014), (496, 40507)]