20117853225

素因数分解:

$3^3\times 5^2\times {\mathrm{1823}}^1\times {\mathrm{16349}}^1$

素因数の和:18191

約数の個数: 48

約数和(自身を含む): 36979776000

約数和(自身を除く): 16861922775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 1823, 5469, 9115, 16349, 16407, 27345, 45575, 49047, 49221, 81745, 82035, 136725, 147141, 245235, 246105, 408725, 410175, 441423, 735705, 1226175, 1230525, 2207115, 3678525, 11035575, 29804227, 89412681, 149021135, 268238043, 447063405, 745105675, 804714129, 1341190215, 2235317025, 4023570645, 6705951075, 20117853225]

約数ペア:

[(1, 20117853225), (3, 6705951075), (5, 4023570645), (9, 2235317025), (15, 1341190215), (25, 804714129), (27, 745105675), (45, 447063405), (75, 268238043), (135, 149021135), (225, 89412681), (675, 29804227), (1823, 11035575), (5469, 3678525), (9115, 2207115), (16349, 1230525), (16407, 1226175), (27345, 735705), (45575, 441423), (49047, 410175), (49221, 408725), (81745, 246105), (82035, 245235), (136725, 147141)]