20736480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43201}}^1$

素因数の和:43219

約数の個数: 48

約数和(自身を含む): 65321424

約数和(自身を除く): 44584944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43201, 86402, 129603, 172804, 216005, 259206, 345608, 432010, 518412, 648015, 691216, 864020, 1036824, 1296030, 1382432, 1728040, 2073648, 2592060, 3456080, 4147296, 5184120, 6912160, 10368240, 20736480]

約数ペア:

[(1, 20736480), (2, 10368240), (3, 6912160), (4, 5184120), (5, 4147296), (6, 3456080), (8, 2592060), (10, 2073648), (12, 1728040), (15, 1382432), (16, 1296030), (20, 1036824), (24, 864020), (30, 691216), (32, 648015), (40, 518412), (48, 432010), (60, 345608), (80, 259206), (96, 216005), (120, 172804), (160, 129603), (240, 86402), (480, 43201)]