20798613

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 14424939

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 243, 251, 279, 297, 341, 753, 837, 891, 1023, 2259, 2511, 2673, 2761, 3069, 6777, 7533, 7781, 8283, 9207, 20331, 23343, 24849, 27621, 60993, 70029, 74547, 82863, 85591, 210087, 223641, 256773, 630261, 670923, 770319, 1890783, 2310957, 6932871, 20798613]

約数ペア:

[(1, 20798613), (3, 6932871), (9, 2310957), (11, 1890783), (27, 770319), (31, 670923), (33, 630261), (81, 256773), (93, 223641), (99, 210087), (243, 85591), (251, 82863), (279, 74547), (297, 70029), (341, 60993), (753, 27621), (837, 24849), (891, 23343), (1023, 20331), (2259, 9207), (2511, 8283), (2673, 7781), (2761, 7533), (3069, 6777)]