20395320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15451}}^1$

素因数の和:15476

約数の個数: 64

約数和(自身を含む): 66752640

約数和(自身を除く): 46357320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15451, 30902, 46353, 61804, 77255, 92706, 123608, 154510, 169961, 185412, 231765, 309020, 339922, 370824, 463530, 509883, 618040, 679844, 849805, 927060, 1019766, 1359688, 1699610, 1854120, 2039532, 2549415, 3399220, 4079064, 5098830, 6798440, 10197660, 20395320]

約数ペア:

[(1, 20395320), (2, 10197660), (3, 6798440), (4, 5098830), (5, 4079064), (6, 3399220), (8, 2549415), (10, 2039532), (11, 1854120), (12, 1699610), (15, 1359688), (20, 1019766), (22, 927060), (24, 849805), (30, 679844), (33, 618040), (40, 509883), (44, 463530), (55, 370824), (60, 339922), (66, 309020), (88, 231765), (110, 185412), (120, 169961), (132, 154510), (165, 123608), (220, 92706), (264, 77255), (330, 61804), (440, 46353), (660, 30902), (1320, 15451)]