20732580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 70709184

約数和(自身を除く): 49976604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 283, 330, 333, 370, 396, 407, 444, 495, 555, 566, 660, 666, 740, 814, 849, 990, 1110, 1132, 1221, 1332, 1415, 1628, 1665, 1698, 1980, 2035, 2220, 2442, 2547, 2830, 3113, 3330, 3396, 3663, 4070, 4245, 4884, 5094, 5660, 6105, 6226, 6660, 7326, 8140, 8490, 9339, 10188, 10471, 12210, 12452, 12735, 14652, 15565, 16980, 18315, 18678, 20942, 24420, 25470, 28017, 31130, 31413, 36630, 37356, 41884, 46695, 50940, 52355, 56034, 62260, 62826, 73260, 93390, 94239, 104710, 112068, 115181, 125652, 140085, 157065, 186780, 188478, 209420, 230362, 280170, 314130, 345543, 376956, 460724, 471195, 560340, 575905, 628260, 691086, 942390, 1036629, 1151810, 1382172, 1727715, 1884780, 2073258, 2303620, 3455430, 4146516, 5183145, 6910860, 10366290, 20732580]

約数ペア:

[(1, 20732580), (2, 10366290), (3, 6910860), (4, 5183145), (5, 4146516), (6, 3455430), (9, 2303620), (10, 2073258), (11, 1884780), (12, 1727715), (15, 1382172), (18, 1151810), (20, 1036629), (22, 942390), (30, 691086), (33, 628260), (36, 575905), (37, 560340), (44, 471195), (45, 460724), (55, 376956), (60, 345543), (66, 314130), (74, 280170), (90, 230362), (99, 209420), (110, 188478), (111, 186780), (132, 157065), (148, 140085), (165, 125652), (180, 115181), (185, 112068), (198, 104710), (220, 94239), (222, 93390), (283, 73260), (330, 62826), (333, 62260), (370, 56034), (396, 52355), (407, 50940), (444, 46695), (495, 41884), (555, 37356), (566, 36630), (660, 31413), (666, 31130), (740, 28017), (814, 25470), (849, 24420), (990, 20942), (1110, 18678), (1132, 18315), (1221, 16980), (1332, 15565), (1415, 14652), (1628, 12735), (1665, 12452), (1698, 12210), (1980, 10471), (2035, 10188), (2220, 9339), (2442, 8490), (2547, 8140), (2830, 7326), (3113, 6660), (3330, 6226), (3396, 6105), (3663, 5660), (4070, 5094), (4245, 4884)]