20157720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15271}}^1$

素因数の和:15296

約数の個数: 64

約数和(自身を含む): 65975040

約数和(自身を除く): 45817320

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, 15271, 30542, 45813, 61084, 76355, 91626, 122168, 152710, 167981, 183252, 229065, 305420, 335962, 366504, 458130, 503943, 610840, 671924, 839905, 916260, 1007886, 1343848, 1679810, 1832520, 2015772, 2519715, 3359620, 4031544, 5039430, 6719240, 10078860, 20157720]

約数ペア:

[(1, 20157720), (2, 10078860), (3, 6719240), (4, 5039430), (5, 4031544), (6, 3359620), (8, 2519715), (10, 2015772), (11, 1832520), (12, 1679810), (15, 1343848), (20, 1007886), (22, 916260), (24, 839905), (30, 671924), (33, 610840), (40, 503943), (44, 458130), (55, 366504), (60, 335962), (66, 305420), (88, 229065), (110, 183252), (120, 167981), (132, 152710), (165, 122168), (220, 91626), (264, 76355), (330, 61084), (440, 45813), (660, 30542), (1320, 15271)]