20172080688

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^2\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:288

約数の個数: 180

約数和(自身を含む): 55051710840

約数和(自身を除く): 34879630152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 53, 82, 89, 106, 123, 159, 164, 178, 212, 246, 267, 318, 328, 356, 424, 492, 534, 636, 656, 712, 848, 984, 1068, 1272, 1424, 1681, 1968, 2136, 2173, 2544, 2809, 3362, 3649, 4272, 4346, 4717, 5043, 5618, 6519, 6724, 7298, 8427, 8692, 9434, 10086, 10947, 11236, 13038, 13448, 14151, 14596, 16854, 17384, 18868, 20172, 21894, 22472, 26076, 26896, 28302, 29192, 33708, 34768, 37736, 40344, 43788, 44944, 52152, 56604, 58384, 67416, 75472, 80688, 87576, 89093, 104304, 113208, 115169, 134832, 149609, 175152, 178186, 193397, 226416, 230338, 250001, 267279, 299218, 345507, 356372, 386794, 448827, 460676, 500002, 534558, 580191, 598436, 691014, 712744, 750003, 773588, 897654, 921352, 1000004, 1069116, 1160382, 1196872, 1382028, 1425488, 1500006, 1547176, 1795308, 1842704, 2000008, 2138232, 2320764, 2393744, 2764056, 3000012, 3094352, 3590616, 4000016, 4276464, 4641528, 4721929, 5528112, 6000024, 7181232, 7929277, 9283056, 9443858, 10250041, 12000048, 14165787, 15858554, 18887716, 20500082, 23787831, 28331574, 30750123, 31717108, 37775432, 41000164, 47575662, 56663148, 61500246, 63434216, 75550864, 82000328, 95151324, 113326296, 123000492, 126868432, 164000656, 190302648, 226652592, 246000984, 380605296, 420251681, 492001968, 840503362, 1260755043, 1681006724, 2521510086, 3362013448, 5043020172, 6724026896, 10086040344, 20172080688]

約数ペア:

[(1, 20172080688), (2, 10086040344), (3, 6724026896), (4, 5043020172), (6, 3362013448), (8, 2521510086), (12, 1681006724), (16, 1260755043), (24, 840503362), (41, 492001968), (48, 420251681), (53, 380605296), (82, 246000984), (89, 226652592), (106, 190302648), (123, 164000656), (159, 126868432), (164, 123000492), (178, 113326296), (212, 95151324), (246, 82000328), (267, 75550864), (318, 63434216), (328, 61500246), (356, 56663148), (424, 47575662), (492, 41000164), (534, 37775432), (636, 31717108), (656, 30750123), (712, 28331574), (848, 23787831), (984, 20500082), (1068, 18887716), (1272, 15858554), (1424, 14165787), (1681, 12000048), (1968, 10250041), (2136, 9443858), (2173, 9283056), (2544, 7929277), (2809, 7181232), (3362, 6000024), (3649, 5528112), (4272, 4721929), (4346, 4641528), (4717, 4276464), (5043, 4000016), (5618, 3590616), (6519, 3094352), (6724, 3000012), (7298, 2764056), (8427, 2393744), (8692, 2320764), (9434, 2138232), (10086, 2000008), (10947, 1842704), (11236, 1795308), (13038, 1547176), (13448, 1500006), (14151, 1425488), (14596, 1382028), (16854, 1196872), (17384, 1160382), (18868, 1069116), (20172, 1000004), (21894, 921352), (22472, 897654), (26076, 773588), (26896, 750003), (28302, 712744), (29192, 691014), (33708, 598436), (34768, 580191), (37736, 534558), (40344, 500002), (43788, 460676), (44944, 448827), (52152, 386794), (56604, 356372), (58384, 345507), (67416, 299218), (75472, 267279), (80688, 250001), (87576, 230338), (89093, 226416), (104304, 193397), (113208, 178186), (115169, 175152), (134832, 149609)]