20659311648

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{121789}}^1$

素因数の和:121855

約数の個数: 144

約数和(自身を含む): 63837446400

約数和(自身を除く): 43178134752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 72, 76, 93, 96, 114, 124, 144, 152, 171, 186, 228, 248, 279, 288, 304, 342, 372, 456, 496, 558, 589, 608, 684, 744, 912, 992, 1116, 1178, 1368, 1488, 1767, 1824, 2232, 2356, 2736, 2976, 3534, 4464, 4712, 5301, 5472, 7068, 8928, 9424, 10602, 14136, 18848, 21204, 28272, 42408, 56544, 84816, 121789, 169632, 243578, 365367, 487156, 730734, 974312, 1096101, 1461468, 1948624, 2192202, 2313991, 2922936, 3775459, 3897248, 4384404, 4627982, 5845872, 6941973, 7550918, 8768808, 9255964, 11326377, 11691744, 13883946, 15101836, 17537616, 18511928, 20825919, 22652754, 27767892, 30203672, 33979131, 35075232, 37023856, 41651838, 45305508, 55535784, 60407344, 67958262, 71733721, 74047712, 83303676, 90611016, 111071568, 120814688, 135916524, 143467442, 166607352, 181222032, 215201163, 222143136, 271833048, 286934884, 333214704, 362444064, 430402326, 543666096, 573869768, 645603489, 666429408, 860804652, 1087332192, 1147739536, 1291206978, 1721609304, 2295479072, 2582413956, 3443218608, 5164827912, 6886437216, 10329655824, 20659311648]

約数ペア:

[(1, 20659311648), (2, 10329655824), (3, 6886437216), (4, 5164827912), (6, 3443218608), (8, 2582413956), (9, 2295479072), (12, 1721609304), (16, 1291206978), (18, 1147739536), (19, 1087332192), (24, 860804652), (31, 666429408), (32, 645603489), (36, 573869768), (38, 543666096), (48, 430402326), (57, 362444064), (62, 333214704), (72, 286934884), (76, 271833048), (93, 222143136), (96, 215201163), (114, 181222032), (124, 166607352), (144, 143467442), (152, 135916524), (171, 120814688), (186, 111071568), (228, 90611016), (248, 83303676), (279, 74047712), (288, 71733721), (304, 67958262), (342, 60407344), (372, 55535784), (456, 45305508), (496, 41651838), (558, 37023856), (589, 35075232), (608, 33979131), (684, 30203672), (744, 27767892), (912, 22652754), (992, 20825919), (1116, 18511928), (1178, 17537616), (1368, 15101836), (1488, 13883946), (1767, 11691744), (1824, 11326377), (2232, 9255964), (2356, 8768808), (2736, 7550918), (2976, 6941973), (3534, 5845872), (4464, 4627982), (4712, 4384404), (5301, 3897248), (5472, 3775459), (7068, 2922936), (8928, 2313991), (9424, 2192202), (10602, 1948624), (14136, 1461468), (18848, 1096101), (21204, 974312), (28272, 730734), (42408, 487156), (56544, 365367), (84816, 243578), (121789, 169632)]