20783094915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{673573}}^1$

素因数の和:673620

約数の個数: 48

約数和(自身を含む): 38700867744

約数和(自身を除く): 17917772829

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 935, 1815, 2057, 2805, 6171, 10285, 30855, 673573, 2020719, 3367865, 7409303, 10103595, 11450741, 22227909, 34352223, 37046515, 57253705, 81502333, 111139545, 125958151, 171761115, 244506999, 377874453, 407511665, 629790755, 1222534995, 1385539661, 1889372265, 4156618983, 6927698305, 20783094915]

約数ペア:

[(1, 20783094915), (3, 6927698305), (5, 4156618983), (11, 1889372265), (15, 1385539661), (17, 1222534995), (33, 629790755), (51, 407511665), (55, 377874453), (85, 244506999), (121, 171761115), (165, 125958151), (187, 111139545), (255, 81502333), (363, 57253705), (561, 37046515), (605, 34352223), (935, 22227909), (1815, 11450741), (2057, 10103595), (2805, 7409303), (6171, 3367865), (10285, 2020719), (30855, 673573)]