20314221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 29694720

約数和(自身を除く): 9380499

約数列:

[1, 3, 23, 37, 69, 73, 109, 111, 219, 327, 851, 1679, 2507, 2553, 2701, 4033, 5037, 7521, 7957, 8103, 12099, 23871, 62123, 92759, 183011, 186369, 278277, 294409, 549033, 883227, 6771407, 20314221]

約数ペア:

[(1, 20314221), (3, 6771407), (23, 883227), (37, 549033), (69, 294409), (73, 278277), (109, 186369), (111, 183011), (219, 92759), (327, 62123), (851, 23871), (1679, 12099), (2507, 8103), (2553, 7957), (2701, 7521), (4033, 5037)]