20770268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4079}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 38841600

約数和(自身を除く): 18071332

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 4079, 5092, 8158, 16316, 77501, 155002, 273293, 310004, 546586, 1093172, 5192567, 10385134, 20770268]

約数ペア:

[(1, 20770268), (2, 10385134), (4, 5192567), (19, 1093172), (38, 546586), (67, 310004), (76, 273293), (134, 155002), (268, 77501), (1273, 16316), (2546, 8158), (4079, 5092)]