20690669040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86211121}}^1$

素因数の和:86211137

約数の個数: 40

約数和(自身を含む): 64141074768

約数和(自身を除く): 43450405728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86211121, 172422242, 258633363, 344844484, 431055605, 517266726, 689688968, 862111210, 1034533452, 1293166815, 1379377936, 1724222420, 2069066904, 2586333630, 3448444840, 4138133808, 5172667260, 6896889680, 10345334520, 20690669040]

約数ペア:

[(1, 20690669040), (2, 10345334520), (3, 6896889680), (4, 5172667260), (5, 4138133808), (6, 3448444840), (8, 2586333630), (10, 2069066904), (12, 1724222420), (15, 1379377936), (16, 1293166815), (20, 1034533452), (24, 862111210), (30, 689688968), (40, 517266726), (48, 431055605), (60, 344844484), (80, 258633363), (120, 172422242), (240, 86211121)]