20688001466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{72053}}^1$

素因数の和:72518

約数の個数: 32

約数和(自身を含む): 35028619776

約数和(自身を除く): 14340618310

約数列:

[1, 2, 11, 22, 31, 62, 341, 421, 682, 842, 4631, 9262, 13051, 26102, 72053, 143561, 144106, 287122, 792583, 1585166, 2233643, 4467286, 24570073, 30334313, 49140146, 60668626, 333677443, 667354886, 940363703, 1880727406, 10344000733, 20688001466]

約数ペア:

[(1, 20688001466), (2, 10344000733), (11, 1880727406), (22, 940363703), (31, 667354886), (62, 333677443), (341, 60668626), (421, 49140146), (682, 30334313), (842, 24570073), (4631, 4467286), (9262, 2233643), (13051, 1585166), (26102, 792583), (72053, 287122), (143561, 144106)]