20406060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 49266900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 31, 36, 45, 46, 53, 54, 60, 62, 69, 90, 92, 93, 106, 108, 115, 124, 135, 138, 155, 159, 180, 186, 207, 212, 230, 265, 270, 276, 279, 310, 318, 345, 372, 414, 460, 465, 477, 530, 540, 558, 620, 621, 636, 690, 713, 795, 828, 837, 930, 954, 1035, 1060, 1116, 1219, 1242, 1380, 1395, 1426, 1431, 1590, 1643, 1674, 1860, 1908, 2070, 2139, 2385, 2438, 2484, 2790, 2852, 2862, 3105, 3180, 3286, 3348, 3565, 3657, 4140, 4185, 4278, 4770, 4876, 4929, 5580, 5724, 6095, 6210, 6417, 6572, 7130, 7155, 7314, 8215, 8370, 8556, 9540, 9858, 10695, 10971, 12190, 12420, 12834, 14260, 14310, 14628, 14787, 16430, 16740, 18285, 19251, 19716, 21390, 21942, 24380, 24645, 25668, 28620, 29574, 32085, 32860, 32913, 36570, 37789, 38502, 42780, 43884, 44361, 49290, 54855, 59148, 64170, 65826, 73140, 73935, 75578, 77004, 88722, 96255, 98580, 109710, 113367, 128340, 131652, 147870, 151156, 164565, 177444, 188945, 192510, 219420, 221805, 226734, 295740, 329130, 340101, 377890, 385020, 443610, 453468, 566835, 658260, 680202, 755780, 887220, 1020303, 1133670, 1360404, 1700505, 2040606, 2267340, 3401010, 4081212, 5101515, 6802020, 10203030, 20406060]

約数ペア:

[(1, 20406060), (2, 10203030), (3, 6802020), (4, 5101515), (5, 4081212), (6, 3401010), (9, 2267340), (10, 2040606), (12, 1700505), (15, 1360404), (18, 1133670), (20, 1020303), (23, 887220), (27, 755780), (30, 680202), (31, 658260), (36, 566835), (45, 453468), (46, 443610), (53, 385020), (54, 377890), (60, 340101), (62, 329130), (69, 295740), (90, 226734), (92, 221805), (93, 219420), (106, 192510), (108, 188945), (115, 177444), (124, 164565), (135, 151156), (138, 147870), (155, 131652), (159, 128340), (180, 113367), (186, 109710), (207, 98580), (212, 96255), (230, 88722), (265, 77004), (270, 75578), (276, 73935), (279, 73140), (310, 65826), (318, 64170), (345, 59148), (372, 54855), (414, 49290), (460, 44361), (465, 43884), (477, 42780), (530, 38502), (540, 37789), (558, 36570), (620, 32913), (621, 32860), (636, 32085), (690, 29574), (713, 28620), (795, 25668), (828, 24645), (837, 24380), (930, 21942), (954, 21390), (1035, 19716), (1060, 19251), (1116, 18285), (1219, 16740), (1242, 16430), (1380, 14787), (1395, 14628), (1426, 14310), (1431, 14260), (1590, 12834), (1643, 12420), (1674, 12190), (1860, 10971), (1908, 10695), (2070, 9858), (2139, 9540), (2385, 8556), (2438, 8370), (2484, 8215), (2790, 7314), (2852, 7155), (2862, 7130), (3105, 6572), (3180, 6417), (3286, 6210), (3348, 6095), (3565, 5724), (3657, 5580), (4140, 4929), (4185, 4876), (4278, 4770)]