20128371588

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1515

約数の個数: 192

約数和(自身を含む): 57563412480

約数和(自身を除く): 37435040892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 53, 54, 78, 106, 108, 117, 156, 159, 212, 223, 234, 318, 351, 446, 468, 477, 636, 669, 689, 702, 892, 954, 1213, 1338, 1378, 1404, 1431, 1908, 2007, 2067, 2426, 2676, 2756, 2862, 2899, 3639, 4014, 4134, 4852, 5724, 5798, 6021, 6201, 7278, 8028, 8268, 8697, 10917, 11596, 11819, 12042, 12402, 14556, 15769, 17394, 18603, 21834, 23638, 24084, 24804, 26091, 31538, 32751, 34788, 35457, 37206, 43668, 47276, 47307, 52182, 63076, 64289, 65502, 70914, 74412, 78273, 94614, 104364, 106371, 128578, 131004, 141828, 141921, 153647, 156546, 189228, 192867, 212742, 257156, 270499, 283842, 307294, 313092, 319113, 385734, 425484, 425763, 460941, 540998, 567684, 578601, 614588, 638226, 771468, 811497, 835757, 851526, 921882, 1081996, 1157202, 1276452, 1382823, 1622994, 1671514, 1703052, 1735803, 1843764, 2314404, 2434491, 2507271, 2765646, 3245988, 3343028, 3471606, 3516487, 4148469, 4868982, 5014542, 5531292, 6943212, 7032974, 7303473, 7521813, 8296938, 9737964, 10029084, 10549461, 14065948, 14336447, 14606946, 15043626, 16593876, 21098922, 22565439, 28672894, 29213892, 30087252, 31648383, 42197844, 43009341, 45130878, 57345788, 63296766, 86018682, 90261756, 94945149, 126593532, 129028023, 172037364, 186373811, 189890298, 258056046, 372747622, 379780596, 387084069, 516112092, 559121433, 745495244, 774168138, 1118242866, 1548336276, 1677364299, 2236485732, 3354728598, 5032092897, 6709457196, 10064185794, 20128371588]

約数ペア:

[(1, 20128371588), (2, 10064185794), (3, 6709457196), (4, 5032092897), (6, 3354728598), (9, 2236485732), (12, 1677364299), (13, 1548336276), (18, 1118242866), (26, 774168138), (27, 745495244), (36, 559121433), (39, 516112092), (52, 387084069), (53, 379780596), (54, 372747622), (78, 258056046), (106, 189890298), (108, 186373811), (117, 172037364), (156, 129028023), (159, 126593532), (212, 94945149), (223, 90261756), (234, 86018682), (318, 63296766), (351, 57345788), (446, 45130878), (468, 43009341), (477, 42197844), (636, 31648383), (669, 30087252), (689, 29213892), (702, 28672894), (892, 22565439), (954, 21098922), (1213, 16593876), (1338, 15043626), (1378, 14606946), (1404, 14336447), (1431, 14065948), (1908, 10549461), (2007, 10029084), (2067, 9737964), (2426, 8296938), (2676, 7521813), (2756, 7303473), (2862, 7032974), (2899, 6943212), (3639, 5531292), (4014, 5014542), (4134, 4868982), (4852, 4148469), (5724, 3516487), (5798, 3471606), (6021, 3343028), (6201, 3245988), (7278, 2765646), (8028, 2507271), (8268, 2434491), (8697, 2314404), (10917, 1843764), (11596, 1735803), (11819, 1703052), (12042, 1671514), (12402, 1622994), (14556, 1382823), (15769, 1276452), (17394, 1157202), (18603, 1081996), (21834, 921882), (23638, 851526), (24084, 835757), (24804, 811497), (26091, 771468), (31538, 638226), (32751, 614588), (34788, 578601), (35457, 567684), (37206, 540998), (43668, 460941), (47276, 425763), (47307, 425484), (52182, 385734), (63076, 319113), (64289, 313092), (65502, 307294), (70914, 283842), (74412, 270499), (78273, 257156), (94614, 212742), (104364, 192867), (106371, 189228), (128578, 156546), (131004, 153647), (141828, 141921)]