20996820207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{8117}}^1$

素因数の和:8233

約数の個数: 96

約数和(自身を含む): 36928457280

約数和(自身を除く): 15931637073

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 53, 87, 99, 153, 159, 187, 261, 319, 477, 493, 561, 583, 901, 957, 1479, 1537, 1683, 1749, 2703, 2871, 4437, 4611, 5247, 5423, 8109, 8117, 9911, 13833, 16269, 16907, 24351, 26129, 29733, 48807, 50721, 73053, 78387, 89199, 89287, 137989, 152163, 235161, 235393, 267861, 287419, 413967, 430201, 706179, 803583, 862257, 1241901, 1290603, 1517879, 2118537, 2586771, 2589323, 3871809, 4001681, 4553637, 4732211, 7313417, 7767969, 12005043, 12475829, 13660911, 14196633, 21940251, 23303907, 36015129, 37427487, 42589899, 44018491, 65820753, 80447587, 112282461, 132055473, 137234119, 212089093, 241342761, 396166419, 411702357, 636267279, 724028283, 1235107071, 1908801837, 2332980023, 6998940069, 20996820207]

約数ペア:

[(1, 20996820207), (3, 6998940069), (9, 2332980023), (11, 1908801837), (17, 1235107071), (29, 724028283), (33, 636267279), (51, 411702357), (53, 396166419), (87, 241342761), (99, 212089093), (153, 137234119), (159, 132055473), (187, 112282461), (261, 80447587), (319, 65820753), (477, 44018491), (493, 42589899), (561, 37427487), (583, 36015129), (901, 23303907), (957, 21940251), (1479, 14196633), (1537, 13660911), (1683, 12475829), (1749, 12005043), (2703, 7767969), (2871, 7313417), (4437, 4732211), (4611, 4553637), (5247, 4001681), (5423, 3871809), (8109, 2589323), (8117, 2586771), (9911, 2118537), (13833, 1517879), (16269, 1290603), (16907, 1241901), (24351, 862257), (26129, 803583), (29733, 706179), (48807, 430201), (50721, 413967), (73053, 287419), (78387, 267861), (89199, 235393), (89287, 235161), (137989, 152163)]