20966040

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{719}}^1$

素因数の和:748

約数の個数: 112

約数和(自身を含む): 70826400

約数和(自身を除く): 49860360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 719, 729, 810, 972, 1080, 1215, 1438, 1458, 1620, 1944, 2157, 2430, 2876, 2916, 3240, 3595, 3645, 4314, 4860, 5752, 5832, 6471, 7190, 7290, 8628, 9720, 10785, 12942, 14380, 14580, 17256, 19413, 21570, 25884, 28760, 29160, 32355, 38826, 43140, 51768, 58239, 64710, 77652, 86280, 97065, 116478, 129420, 155304, 174717, 194130, 232956, 258840, 291195, 349434, 388260, 465912, 524151, 582390, 698868, 776520, 873585, 1048302, 1164780, 1397736, 1747170, 2096604, 2329560, 2620755, 3494340, 4193208, 5241510, 6988680, 10483020, 20966040]

約数ペア:

[(1, 20966040), (2, 10483020), (3, 6988680), (4, 5241510), (5, 4193208), (6, 3494340), (8, 2620755), (9, 2329560), (10, 2096604), (12, 1747170), (15, 1397736), (18, 1164780), (20, 1048302), (24, 873585), (27, 776520), (30, 698868), (36, 582390), (40, 524151), (45, 465912), (54, 388260), (60, 349434), (72, 291195), (81, 258840), (90, 232956), (108, 194130), (120, 174717), (135, 155304), (162, 129420), (180, 116478), (216, 97065), (243, 86280), (270, 77652), (324, 64710), (360, 58239), (405, 51768), (486, 43140), (540, 38826), (648, 32355), (719, 29160), (729, 28760), (810, 25884), (972, 21570), (1080, 19413), (1215, 17256), (1438, 14580), (1458, 14380), (1620, 12942), (1944, 10785), (2157, 9720), (2430, 8628), (2876, 7290), (2916, 7190), (3240, 6471), (3595, 5832), (3645, 5752), (4314, 4860)]