20165571470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{921223}}^1$

素因数の和:921440

約数の個数: 32

約数和(自身を含む): 39796876800

約数和(自身を除く): 19631305330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890, 921223, 1842446, 4606115, 9212230, 10133453, 20266906, 50667265, 101334530, 183323377, 366646754, 916616885, 1833233770, 2016557147, 4033114294, 10082785735, 20165571470]

約数ペア:

[(1, 20165571470), (2, 10082785735), (5, 4033114294), (10, 2016557147), (11, 1833233770), (22, 916616885), (55, 366646754), (110, 183323377), (199, 101334530), (398, 50667265), (995, 20266906), (1990, 10133453), (2189, 9212230), (4378, 4606115), (10945, 1842446), (21890, 921223)]