20177963368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3237799}}^1$

素因数の和:3237865

約数の個数: 32

約数和(自身を含む): 40796280000

約数和(自身を除く): 20618316632

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 3237799, 6475598, 12951196, 25902392, 61518181, 123036362, 132749759, 246072724, 265499518, 492145448, 530999036, 1061998072, 2522245421, 5044490842, 10088981684, 20177963368]

約数ペア:

[(1, 20177963368), (2, 10088981684), (4, 5044490842), (8, 2522245421), (19, 1061998072), (38, 530999036), (41, 492145448), (76, 265499518), (82, 246072724), (152, 132749759), (164, 123036362), (328, 61518181), (779, 25902392), (1558, 12951196), (3116, 6475598), (6232, 3237799)]