20336840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26759}}^1$

素因数の和:26789

約数の個数: 32

約数和(自身を含む): 48168000

約数和(自身を除く): 27831160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26759, 53518, 107036, 133795, 214072, 267590, 508421, 535180, 1016842, 1070360, 2033684, 2542105, 4067368, 5084210, 10168420, 20336840]

約数ペア:

[(1, 20336840), (2, 10168420), (4, 5084210), (5, 4067368), (8, 2542105), (10, 2033684), (19, 1070360), (20, 1016842), (38, 535180), (40, 508421), (76, 267590), (95, 214072), (152, 133795), (190, 107036), (380, 53518), (760, 26759)]