20523840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21379}}^1$

素因数の和:21399

約数の個数: 56

約数和(自身を含む): 65166240

約数和(自身を除く): 44642400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21379, 42758, 64137, 85516, 106895, 128274, 171032, 213790, 256548, 320685, 342064, 427580, 513096, 641370, 684128, 855160, 1026192, 1282740, 1368256, 1710320, 2052384, 2565480, 3420640, 4104768, 5130960, 6841280, 10261920, 20523840]

約数ペア:

[(1, 20523840), (2, 10261920), (3, 6841280), (4, 5130960), (5, 4104768), (6, 3420640), (8, 2565480), (10, 2052384), (12, 1710320), (15, 1368256), (16, 1282740), (20, 1026192), (24, 855160), (30, 684128), (32, 641370), (40, 513096), (48, 427580), (60, 342064), (64, 320685), (80, 256548), (96, 213790), (120, 171032), (160, 128274), (192, 106895), (240, 85516), (320, 64137), (480, 42758), (960, 21379)]