20218709876

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{983209}}^1$

素因数の和:983363

約数の個数: 24

約数和(自身を含む): 36422031240

約数和(自身を除く): 16203321364

約数列:

[1, 2, 4, 53, 97, 106, 194, 212, 388, 5141, 10282, 20564, 983209, 1966418, 3932836, 52110077, 95371273, 104220154, 190742546, 208440308, 381485092, 5054677469, 10109354938, 20218709876]

約数ペア:

[(1, 20218709876), (2, 10109354938), (4, 5054677469), (53, 381485092), (97, 208440308), (106, 190742546), (194, 104220154), (212, 95371273), (388, 52110077), (5141, 3932836), (10282, 1966418), (20564, 983209)]