20194687876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1\times {\mathrm{4289}}^1$

素因数の和:5364

約数の個数: 48

約数和(自身を含む): 38944825920

約数和(自身を除く): 18750138044

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 947, 1243, 1894, 2486, 3788, 4289, 4972, 8578, 10417, 17156, 20834, 41668, 47179, 94358, 107011, 188716, 214022, 428044, 484657, 969314, 1177121, 1938628, 2354242, 4061683, 4708484, 5331227, 8123366, 10662454, 16246732, 21324908, 44678513, 89357026, 178714052, 458970179, 917940358, 1835880716, 5048671969, 10097343938, 20194687876]

約数ペア:

[(1, 20194687876), (2, 10097343938), (4, 5048671969), (11, 1835880716), (22, 917940358), (44, 458970179), (113, 178714052), (226, 89357026), (452, 44678513), (947, 21324908), (1243, 16246732), (1894, 10662454), (2486, 8123366), (3788, 5331227), (4289, 4708484), (4972, 4061683), (8578, 2354242), (10417, 1938628), (17156, 1177121), (20834, 969314), (41668, 484657), (47179, 428044), (94358, 214022), (107011, 188716)]