20163549

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1879}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 31719360

約数和(自身を除く): 11555811

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 1879, 3577, 5637, 10731, 13153, 39459, 92071, 137167, 276213, 411501, 960169, 2880507, 6721183, 20163549]

約数ペア:

[(1, 20163549), (3, 6721183), (7, 2880507), (21, 960169), (49, 411501), (73, 276213), (147, 137167), (219, 92071), (511, 39459), (1533, 13153), (1879, 10731), (3577, 5637)]