20402100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22669}}^1$

素因数の和:22689

約数の個数: 54

約数和(自身を含む): 63952070

約数和(自身を除く): 43549970

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22669, 45338, 68007, 90676, 113345, 136014, 204021, 226690, 272028, 340035, 408042, 453380, 566725, 680070, 816084, 1020105, 1133450, 1360140, 1700175, 2040210, 2266900, 3400350, 4080420, 5100525, 6800700, 10201050, 20402100]

約数ペア:

[(1, 20402100), (2, 10201050), (3, 6800700), (4, 5100525), (5, 4080420), (6, 3400350), (9, 2266900), (10, 2040210), (12, 1700175), (15, 1360140), (18, 1133450), (20, 1020105), (25, 816084), (30, 680070), (36, 566725), (45, 453380), (50, 408042), (60, 340035), (75, 272028), (90, 226690), (100, 204021), (150, 136014), (180, 113345), (225, 90676), (300, 68007), (450, 45338), (900, 22669)]