20158396544

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{64783}}^1$

素因数の和:64838

約数の個数: 128

約数和(自身を含む): 49956238080

約数和(自身を除く): 29797841536

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 64, 68, 88, 104, 128, 136, 143, 176, 187, 208, 221, 272, 286, 352, 374, 416, 442, 544, 572, 704, 748, 832, 884, 1088, 1144, 1408, 1496, 1664, 1768, 2176, 2288, 2431, 2992, 3536, 4576, 4862, 5984, 7072, 9152, 9724, 11968, 14144, 18304, 19448, 23936, 28288, 38896, 64783, 77792, 129566, 155584, 259132, 311168, 518264, 712613, 842179, 1036528, 1101311, 1425226, 1684358, 2073056, 2202622, 2850452, 3368716, 4146112, 4405244, 5700904, 6737432, 8292224, 8810488, 9263969, 11401808, 12114421, 13474864, 14317043, 17620976, 18527938, 22803616, 24228842, 26949728, 28634086, 35241952, 37055876, 45607232, 48457684, 53899456, 57268172, 70483904, 74111752, 91214464, 96915368, 107798912, 114536344, 140967808, 148223504, 157487473, 193830736, 229072688, 296447008, 314974946, 387661472, 458145376, 592894016, 629949892, 775322944, 916290752, 1185788032, 1259899784, 1550645888, 1832581504, 2519799568, 5039599136, 10079198272, 20158396544]

約数ペア:

[(1, 20158396544), (2, 10079198272), (4, 5039599136), (8, 2519799568), (11, 1832581504), (13, 1550645888), (16, 1259899784), (17, 1185788032), (22, 916290752), (26, 775322944), (32, 629949892), (34, 592894016), (44, 458145376), (52, 387661472), (64, 314974946), (68, 296447008), (88, 229072688), (104, 193830736), (128, 157487473), (136, 148223504), (143, 140967808), (176, 114536344), (187, 107798912), (208, 96915368), (221, 91214464), (272, 74111752), (286, 70483904), (352, 57268172), (374, 53899456), (416, 48457684), (442, 45607232), (544, 37055876), (572, 35241952), (704, 28634086), (748, 26949728), (832, 24228842), (884, 22803616), (1088, 18527938), (1144, 17620976), (1408, 14317043), (1496, 13474864), (1664, 12114421), (1768, 11401808), (2176, 9263969), (2288, 8810488), (2431, 8292224), (2992, 6737432), (3536, 5700904), (4576, 4405244), (4862, 4146112), (5984, 3368716), (7072, 2850452), (9152, 2202622), (9724, 2073056), (11968, 1684358), (14144, 1425226), (18304, 1101311), (19448, 1036528), (23936, 842179), (28288, 712613), (38896, 518264), (64783, 311168), (77792, 259132), (129566, 155584)]