20123892118

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{349}}^1\times {\mathrm{21661}}^1$

素因数の和:22045

約数の個数: 32

約数和(自身を含む): 33298826400

約数和(自身を除く): 13174934282

約数列:

[1, 2, 11, 22, 121, 242, 349, 698, 1331, 2662, 3839, 7678, 21661, 42229, 43322, 84458, 238271, 464519, 476542, 929038, 2620981, 5241962, 7559689, 15119378, 28830791, 57661582, 83156579, 166313158, 914722369, 1829444738, 10061946059, 20123892118]

約数ペア:

[(1, 20123892118), (2, 10061946059), (11, 1829444738), (22, 914722369), (121, 166313158), (242, 83156579), (349, 57661582), (698, 28830791), (1331, 15119378), (2662, 7559689), (3839, 5241962), (7678, 2620981), (21661, 929038), (42229, 476542), (43322, 464519), (84458, 238271)]