20934735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 15223665

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 1549, 2703, 4505, 4647, 7745, 13515, 23235, 26333, 78999, 82097, 131665, 246291, 394995, 410485, 1231455, 1395649, 4186947, 6978245, 20934735]

約数ペア:

[(1, 20934735), (3, 6978245), (5, 4186947), (15, 1395649), (17, 1231455), (51, 410485), (53, 394995), (85, 246291), (159, 131665), (255, 82097), (265, 78999), (795, 26333), (901, 23235), (1549, 13515), (2703, 7745), (4505, 4647)]