20803869

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{599}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 11207331

約数列:

[1, 3, 9, 17, 51, 153, 227, 599, 681, 1797, 2043, 3859, 5391, 10183, 11577, 30549, 34731, 91647, 135973, 407919, 1223757, 2311541, 6934623, 20803869]

約数ペア:

[(1, 20803869), (3, 6934623), (9, 2311541), (17, 1223757), (51, 407919), (153, 135973), (227, 91647), (599, 34731), (681, 30549), (1797, 11577), (2043, 10183), (3859, 5391)]