20726484

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 50144640

約数和(自身を除く): 29418156

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 103, 123, 164, 206, 246, 309, 409, 412, 492, 618, 818, 1227, 1236, 1636, 2454, 4223, 4908, 8446, 12669, 16769, 16892, 25338, 33538, 42127, 50307, 50676, 67076, 84254, 100614, 126381, 168508, 201228, 252762, 505524, 1727207, 3454414, 5181621, 6908828, 10363242, 20726484]

約数ペア:

[(1, 20726484), (2, 10363242), (3, 6908828), (4, 5181621), (6, 3454414), (12, 1727207), (41, 505524), (82, 252762), (103, 201228), (123, 168508), (164, 126381), (206, 100614), (246, 84254), (309, 67076), (409, 50676), (412, 50307), (492, 42127), (618, 33538), (818, 25338), (1227, 16892), (1236, 16769), (1636, 12669), (2454, 8446), (4223, 4908)]