20578680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57163}}^1$

素因数の和:57180

約数の個数: 48

約数和(自身を含む): 66881880

約数和(自身を除く): 46303200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57163, 114326, 171489, 228652, 285815, 342978, 457304, 514467, 571630, 685956, 857445, 1028934, 1143260, 1371912, 1714890, 2057868, 2286520, 2572335, 3429780, 4115736, 5144670, 6859560, 10289340, 20578680]

約数ペア:

[(1, 20578680), (2, 10289340), (3, 6859560), (4, 5144670), (5, 4115736), (6, 3429780), (8, 2572335), (9, 2286520), (10, 2057868), (12, 1714890), (15, 1371912), (18, 1143260), (20, 1028934), (24, 857445), (30, 685956), (36, 571630), (40, 514467), (45, 457304), (60, 342978), (72, 285815), (90, 228652), (120, 171489), (180, 114326), (360, 57163)]