20197013025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{7411}}^1$

素因数の和:7639

約数の個数: 96

約数和(自身を含む): 39704601600

約数和(自身を除く): 19507588575

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 179, 203, 435, 525, 537, 609, 725, 895, 1015, 1253, 2175, 2685, 3045, 3759, 4475, 5075, 5191, 6265, 7411, 13425, 15225, 15573, 18795, 22233, 25955, 31325, 36337, 37055, 51877, 77865, 93975, 109011, 111165, 129775, 155631, 181685, 185275, 214919, 259385, 389325, 545055, 555825, 644757, 778155, 908425, 1074595, 1296925, 1326569, 1504433, 2725275, 3223785, 3890775, 3979707, 4513299, 5372975, 6632845, 7522165, 9285983, 16118925, 19898535, 22566495, 27857949, 33164225, 37610825, 38470501, 46429915, 99492675, 112832475, 115411503, 139289745, 192352505, 232149575, 269293507, 577057515, 696448725, 807880521, 961762525, 1346467535, 2885287575, 4039402605, 6732337675, 20197013025]

約数ペア:

[(1, 20197013025), (3, 6732337675), (5, 4039402605), (7, 2885287575), (15, 1346467535), (21, 961762525), (25, 807880521), (29, 696448725), (35, 577057515), (75, 269293507), (87, 232149575), (105, 192352505), (145, 139289745), (175, 115411503), (179, 112832475), (203, 99492675), (435, 46429915), (525, 38470501), (537, 37610825), (609, 33164225), (725, 27857949), (895, 22566495), (1015, 19898535), (1253, 16118925), (2175, 9285983), (2685, 7522165), (3045, 6632845), (3759, 5372975), (4475, 4513299), (5075, 3979707), (5191, 3890775), (6265, 3223785), (7411, 2725275), (13425, 1504433), (15225, 1326569), (15573, 1296925), (18795, 1074595), (22233, 908425), (25955, 778155), (31325, 644757), (36337, 555825), (37055, 545055), (51877, 389325), (77865, 259385), (93975, 214919), (109011, 185275), (111165, 181685), (129775, 155631)]