20690160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86209}}^1$

素因数の和:86225

約数の個数: 40

約数和(自身を含む): 64140240

約数和(自身を除く): 43450080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86209, 172418, 258627, 344836, 431045, 517254, 689672, 862090, 1034508, 1293135, 1379344, 1724180, 2069016, 2586270, 3448360, 4138032, 5172540, 6896720, 10345080, 20690160]

約数ペア:

[(1, 20690160), (2, 10345080), (3, 6896720), (4, 5172540), (5, 4138032), (6, 3448360), (8, 2586270), (10, 2069016), (12, 1724180), (15, 1379344), (16, 1293135), (20, 1034508), (24, 862090), (30, 689672), (40, 517254), (48, 431045), (60, 344836), (80, 258627), (120, 172418), (240, 86209)]