20694256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 43997184

約数和(自身を除く): 23302928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 307, 383, 614, 766, 1228, 1532, 2456, 3064, 3377, 4213, 4912, 6128, 6754, 8426, 13508, 16852, 27016, 33704, 54032, 67408, 117581, 235162, 470324, 940648, 1293391, 1881296, 2586782, 5173564, 10347128, 20694256]

約数ペア:

[(1, 20694256), (2, 10347128), (4, 5173564), (8, 2586782), (11, 1881296), (16, 1293391), (22, 940648), (44, 470324), (88, 235162), (176, 117581), (307, 67408), (383, 54032), (614, 33704), (766, 27016), (1228, 16852), (1532, 13508), (2456, 8426), (3064, 6754), (3377, 6128), (4213, 4912)]