20798525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 28685664

約数和(自身を除く): 7887139

約数列:

[1, 5, 11, 25, 53, 55, 265, 275, 583, 1325, 1427, 2915, 7135, 14575, 15697, 35675, 75631, 78485, 378155, 392425, 831941, 1890775, 4159705, 20798525]

約数ペア:

[(1, 20798525), (5, 4159705), (11, 1890775), (25, 831941), (53, 392425), (55, 378155), (265, 78485), (275, 75631), (583, 35675), (1325, 15697), (1427, 14575), (2915, 7135)]