20652720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7823}}^1$

素因数の和:7850

約数の個数: 80

約数和(自身を含む): 69852672

約数和(自身を除く): 49199952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7823, 15646, 23469, 31292, 39115, 46938, 62584, 78230, 86053, 93876, 117345, 125168, 156460, 172106, 187752, 234690, 258159, 312920, 344212, 375504, 430265, 469380, 516318, 625840, 688424, 860530, 938760, 1032636, 1290795, 1376848, 1721060, 1877520, 2065272, 2581590, 3442120, 4130544, 5163180, 6884240, 10326360, 20652720]

約数ペア:

[(1, 20652720), (2, 10326360), (3, 6884240), (4, 5163180), (5, 4130544), (6, 3442120), (8, 2581590), (10, 2065272), (11, 1877520), (12, 1721060), (15, 1376848), (16, 1290795), (20, 1032636), (22, 938760), (24, 860530), (30, 688424), (33, 625840), (40, 516318), (44, 469380), (48, 430265), (55, 375504), (60, 344212), (66, 312920), (80, 258159), (88, 234690), (110, 187752), (120, 172106), (132, 156460), (165, 125168), (176, 117345), (220, 93876), (240, 86053), (264, 78230), (330, 62584), (440, 46938), (528, 39115), (660, 31292), (880, 23469), (1320, 15646), (2640, 7823)]