20161944855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{50461}}^1$

素因数の和:51168

約数の個数: 48

約数和(自身を含む): 37691480736

約数和(自身を除く): 17529535881

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 683, 2049, 3415, 6147, 8879, 10245, 26637, 30735, 44395, 50461, 79911, 133185, 151383, 252305, 399555, 454149, 655993, 756915, 1967979, 2270745, 3279965, 5903937, 9839895, 29519685, 34464863, 103394589, 172324315, 310183767, 448043219, 516972945, 1344129657, 1550918835, 2240216095, 4032388971, 6720648285, 20161944855]

約数ペア:

[(1, 20161944855), (3, 6720648285), (5, 4032388971), (9, 2240216095), (13, 1550918835), (15, 1344129657), (39, 516972945), (45, 448043219), (65, 310183767), (117, 172324315), (195, 103394589), (585, 34464863), (683, 29519685), (2049, 9839895), (3415, 5903937), (6147, 3279965), (8879, 2270745), (10245, 1967979), (26637, 756915), (30735, 655993), (44395, 454149), (50461, 399555), (79911, 252305), (133185, 151383)]