20199291931

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{134609}}^1$

素因数の和:134743

約数の個数: 32

約数和(自身を含む): 26594628480

約数和(自身を除く): 6395336549

約数列:

[1, 7, 13, 17, 91, 97, 119, 221, 679, 1261, 1547, 1649, 8827, 11543, 21437, 134609, 150059, 942263, 1749917, 2288353, 12249419, 13057073, 16018471, 29748589, 91399511, 169741949, 208240123, 221970241, 1188193643, 1553791687, 2885613133, 20199291931]

約数ペア:

[(1, 20199291931), (7, 2885613133), (13, 1553791687), (17, 1188193643), (91, 221970241), (97, 208240123), (119, 169741949), (221, 91399511), (679, 29748589), (1261, 16018471), (1547, 13057073), (1649, 12249419), (8827, 2288353), (11543, 1749917), (21437, 942263), (134609, 150059)]