20766753

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5783}}^1$

素因数の和:5818

約数の個数: 32

約数和(自身を含む): 37017600

約数和(自身を除く): 16250847

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5783, 17349, 40481, 52047, 109877, 121443, 156141, 329631, 364329, 769139, 988893, 1092987, 2307417, 2966679, 6922251, 20766753]

約数ペア:

[(1, 20766753), (3, 6922251), (7, 2966679), (9, 2307417), (19, 1092987), (21, 988893), (27, 769139), (57, 364329), (63, 329631), (133, 156141), (171, 121443), (189, 109877), (399, 52047), (513, 40481), (1197, 17349), (3591, 5783)]