20458383

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 31856640

約数和(自身を除く): 11398257

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 487, 627, 737, 1273, 1461, 2211, 3819, 5357, 9253, 14003, 16071, 27759, 32629, 42009, 97887, 101783, 305349, 358919, 619951, 1076757, 1859853, 6819461, 20458383]

約数ペア:

[(1, 20458383), (3, 6819461), (11, 1859853), (19, 1076757), (33, 619951), (57, 358919), (67, 305349), (201, 101783), (209, 97887), (487, 42009), (627, 32629), (737, 27759), (1273, 16071), (1461, 14003), (2211, 9253), (3819, 5357)]