20855397310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9978659}}^1$

素因数の和:9978696

約数の個数: 32

約数和(自身を含む): 43107811200

約数和(自身を除く): 22252413890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9978659, 19957318, 49893295, 99786590, 109765249, 189594521, 219530498, 379189042, 548826245, 947972605, 1097652490, 1895945210, 2085539731, 4171079462, 10427698655, 20855397310]

約数ペア:

[(1, 20855397310), (2, 10427698655), (5, 4171079462), (10, 2085539731), (11, 1895945210), (19, 1097652490), (22, 947972605), (38, 548826245), (55, 379189042), (95, 219530498), (110, 189594521), (190, 109765249), (209, 99786590), (418, 49893295), (1045, 19957318), (2090, 9978659)]