20745584760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1\times {\mathrm{6427}}^1$

素因数の和:7205

約数の個数: 128

約数和(自身を含む): 64016709120

約数和(自身を除く): 43271124360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 727, 740, 888, 1110, 1454, 1480, 2181, 2220, 2908, 3635, 4362, 4440, 5816, 6427, 7270, 8724, 10905, 12854, 14540, 17448, 19281, 21810, 25708, 26899, 29080, 32135, 38562, 43620, 51416, 53798, 64270, 77124, 80697, 87240, 96405, 107596, 128540, 134495, 154248, 161394, 192810, 215192, 237799, 257080, 268990, 322788, 385620, 403485, 475598, 537980, 645576, 713397, 771240, 806970, 951196, 1075960, 1188995, 1426794, 1613940, 1902392, 2377990, 2853588, 3227880, 3566985, 4672429, 4755980, 5707176, 7133970, 9344858, 9511960, 14017287, 14267940, 18689716, 23362145, 28034574, 28535880, 37379432, 46724290, 56069148, 70086435, 93448580, 112138296, 140172870, 172879873, 186897160, 280345740, 345759746, 518639619, 560691480, 691519492, 864399365, 1037279238, 1383038984, 1728798730, 2074558476, 2593198095, 3457597460, 4149116952, 5186396190, 6915194920, 10372792380, 20745584760]

約数ペア:

[(1, 20745584760), (2, 10372792380), (3, 6915194920), (4, 5186396190), (5, 4149116952), (6, 3457597460), (8, 2593198095), (10, 2074558476), (12, 1728798730), (15, 1383038984), (20, 1037279238), (24, 864399365), (30, 691519492), (37, 560691480), (40, 518639619), (60, 345759746), (74, 280345740), (111, 186897160), (120, 172879873), (148, 140172870), (185, 112138296), (222, 93448580), (296, 70086435), (370, 56069148), (444, 46724290), (555, 37379432), (727, 28535880), (740, 28034574), (888, 23362145), (1110, 18689716), (1454, 14267940), (1480, 14017287), (2181, 9511960), (2220, 9344858), (2908, 7133970), (3635, 5707176), (4362, 4755980), (4440, 4672429), (5816, 3566985), (6427, 3227880), (7270, 2853588), (8724, 2377990), (10905, 1902392), (12854, 1613940), (14540, 1426794), (17448, 1188995), (19281, 1075960), (21810, 951196), (25708, 806970), (26899, 771240), (29080, 713397), (32135, 645576), (38562, 537980), (43620, 475598), (51416, 403485), (53798, 385620), (64270, 322788), (77124, 268990), (80697, 257080), (87240, 237799), (96405, 215192), (107596, 192810), (128540, 161394), (134495, 154248)]