20010462080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4466621}}^1$

素因数の和:4466647

約数の個数: 64

約数和(自身を含む): 54671453280

約数和(自身を除く): 34660991200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4466621, 8933242, 17866484, 22333105, 31266347, 35732968, 44666210, 62532694, 71465936, 89332420, 125065388, 142931872, 156331735, 178664840, 250130776, 285863744, 312663470, 357329680, 500261552, 571727488, 625326940, 714659360, 1000523104, 1250653880, 1429318720, 2001046208, 2501307760, 2858637440, 4002092416, 5002615520, 10005231040, 20010462080]

約数ペア:

[(1, 20010462080), (2, 10005231040), (4, 5002615520), (5, 4002092416), (7, 2858637440), (8, 2501307760), (10, 2001046208), (14, 1429318720), (16, 1250653880), (20, 1000523104), (28, 714659360), (32, 625326940), (35, 571727488), (40, 500261552), (56, 357329680), (64, 312663470), (70, 285863744), (80, 250130776), (112, 178664840), (128, 156331735), (140, 142931872), (160, 125065388), (224, 89332420), (280, 71465936), (320, 62532694), (448, 44666210), (560, 35732968), (640, 31266347), (896, 22333105), (1120, 17866484), (2240, 8933242), (4480, 4466621)]