20629920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42979}}^1$

素因数の和:42997

約数の個数: 48

約数和(自身を含む): 64985760

約数和(自身を除く): 44355840

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, 42979, 85958, 128937, 171916, 214895, 257874, 343832, 429790, 515748, 644685, 687664, 859580, 1031496, 1289370, 1375328, 1719160, 2062992, 2578740, 3438320, 4125984, 5157480, 6876640, 10314960, 20629920]

約数ペア:

[(1, 20629920), (2, 10314960), (3, 6876640), (4, 5157480), (5, 4125984), (6, 3438320), (8, 2578740), (10, 2062992), (12, 1719160), (15, 1375328), (16, 1289370), (20, 1031496), (24, 859580), (30, 687664), (32, 644685), (40, 515748), (48, 429790), (60, 343832), (80, 257874), (96, 214895), (120, 171916), (160, 128937), (240, 85958), (480, 42979)]