20199930190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37561}}^1\times {\mathrm{4889}}^1$

素因数の和:42468

約数の個数: 32

約数和(自身を含む): 39674486880

約数和(自身を除く): 19474556690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 4889, 9778, 24445, 37561, 48890, 53779, 75122, 107558, 187805, 268895, 375610, 413171, 537790, 826342, 2065855, 4131710, 183635729, 367271458, 918178645, 1836357290, 2019993019, 4039986038, 10099965095, 20199930190]

約数ペア:

[(1, 20199930190), (2, 10099965095), (5, 4039986038), (10, 2019993019), (11, 1836357290), (22, 918178645), (55, 367271458), (110, 183635729), (4889, 4131710), (9778, 2065855), (24445, 826342), (37561, 537790), (48890, 413171), (53779, 375610), (75122, 268895), (107558, 187805)]