20178023775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2851}}^1$

素因数の和:2962

約数の個数: 192

約数和(自身を含む): 44203170816

約数和(自身を除く): 24025147041

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 61, 65, 75, 85, 91, 105, 119, 175, 183, 195, 221, 255, 273, 305, 325, 357, 425, 427, 455, 525, 595, 663, 793, 915, 975, 1037, 1105, 1275, 1281, 1365, 1525, 1547, 1785, 2135, 2275, 2379, 2851, 2975, 3111, 3315, 3965, 4575, 4641, 5185, 5525, 5551, 6405, 6825, 7259, 7735, 8553, 8925, 10675, 11895, 13481, 14255, 15555, 16575, 16653, 19825, 19957, 21777, 23205, 25925, 27755, 32025, 36295, 37063, 38675, 40443, 42765, 48467, 59475, 59871, 67405, 71275, 77775, 83265, 94367, 99785, 108885, 111189, 116025, 138775, 145401, 173911, 181475, 185315, 202215, 213825, 242335, 259441, 283101, 299355, 337025, 339269, 416325, 471835, 498925, 521733, 544425, 555945, 630071, 727005, 778323, 869555, 926575, 1011075, 1017807, 1211675, 1217377, 1297205, 1415505, 1496775, 1696345, 1890213, 2260843, 2359175, 2608665, 2779725, 2956487, 3150355, 3635025, 3652131, 3891615, 4347775, 4410497, 5089035, 6086885, 6486025, 6782529, 7077525, 8481725, 8869461, 9451065, 11304215, 13043325, 13231491, 14782435, 15751775, 15825901, 18260655, 19458075, 20695409, 22052485, 25445175, 30434425, 33912645, 38434331, 44347305, 47255325, 47477703, 56521075, 62086227, 66157455, 73912175, 79129505, 91303275, 103477045, 110262425, 115302993, 169563225, 192171655, 221736525, 237388515, 269040317, 310431135, 330787275, 395647525, 517385225, 576514965, 807120951, 960858275, 1186942575, 1345201585, 1552155675, 2882574825, 4035604755, 6726007925, 20178023775]

約数ペア:

[(1, 20178023775), (3, 6726007925), (5, 4035604755), (7, 2882574825), (13, 1552155675), (15, 1345201585), (17, 1186942575), (21, 960858275), (25, 807120951), (35, 576514965), (39, 517385225), (51, 395647525), (61, 330787275), (65, 310431135), (75, 269040317), (85, 237388515), (91, 221736525), (105, 192171655), (119, 169563225), (175, 115302993), (183, 110262425), (195, 103477045), (221, 91303275), (255, 79129505), (273, 73912175), (305, 66157455), (325, 62086227), (357, 56521075), (425, 47477703), (427, 47255325), (455, 44347305), (525, 38434331), (595, 33912645), (663, 30434425), (793, 25445175), (915, 22052485), (975, 20695409), (1037, 19458075), (1105, 18260655), (1275, 15825901), (1281, 15751775), (1365, 14782435), (1525, 13231491), (1547, 13043325), (1785, 11304215), (2135, 9451065), (2275, 8869461), (2379, 8481725), (2851, 7077525), (2975, 6782529), (3111, 6486025), (3315, 6086885), (3965, 5089035), (4575, 4410497), (4641, 4347775), (5185, 3891615), (5525, 3652131), (5551, 3635025), (6405, 3150355), (6825, 2956487), (7259, 2779725), (7735, 2608665), (8553, 2359175), (8925, 2260843), (10675, 1890213), (11895, 1696345), (13481, 1496775), (14255, 1415505), (15555, 1297205), (16575, 1217377), (16653, 1211675), (19825, 1017807), (19957, 1011075), (21777, 926575), (23205, 869555), (25925, 778323), (27755, 727005), (32025, 630071), (36295, 555945), (37063, 544425), (38675, 521733), (40443, 498925), (42765, 471835), (48467, 416325), (59475, 339269), (59871, 337025), (67405, 299355), (71275, 283101), (77775, 259441), (83265, 242335), (94367, 213825), (99785, 202215), (108885, 185315), (111189, 181475), (116025, 173911), (138775, 145401)]