20867556

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 51216704

約数和(自身を除く): 30349148

約数列:

[1, 2, 3, 4, 6, 12, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 444, 516, 1093, 1591, 2186, 3182, 3279, 4372, 4773, 6364, 6558, 9546, 13116, 19092, 40441, 46999, 80882, 93998, 121323, 140997, 161764, 187996, 242646, 281994, 485292, 563988, 1738963, 3477926, 5216889, 6955852, 10433778, 20867556]

約数ペア:

[(1, 20867556), (2, 10433778), (3, 6955852), (4, 5216889), (6, 3477926), (12, 1738963), (37, 563988), (43, 485292), (74, 281994), (86, 242646), (111, 187996), (129, 161764), (148, 140997), (172, 121323), (222, 93998), (258, 80882), (444, 46999), (516, 40441), (1093, 19092), (1591, 13116), (2186, 9546), (3182, 6558), (3279, 6364), (4372, 4773)]