20751588

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 43458012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 29, 33, 36, 39, 44, 52, 58, 66, 78, 87, 99, 116, 117, 132, 139, 143, 156, 174, 198, 234, 261, 278, 286, 319, 348, 377, 396, 417, 429, 468, 522, 556, 572, 638, 754, 834, 858, 957, 1044, 1131, 1251, 1276, 1287, 1508, 1529, 1668, 1716, 1807, 1914, 2262, 2502, 2574, 2871, 3058, 3393, 3614, 3828, 4031, 4147, 4524, 4587, 5004, 5148, 5421, 5742, 6116, 6786, 7228, 8062, 8294, 9174, 10842, 11484, 12093, 12441, 13572, 13761, 16124, 16263, 16588, 18348, 19877, 21684, 24186, 24882, 27522, 32526, 36279, 37323, 39754, 44341, 48372, 49764, 52403, 55044, 59631, 65052, 72558, 74646, 79508, 88682, 104806, 119262, 133023, 145116, 149292, 157209, 177364, 178893, 209612, 238524, 266046, 314418, 357786, 399069, 471627, 532092, 576433, 628836, 715572, 798138, 943254, 1152866, 1596276, 1729299, 1886508, 2305732, 3458598, 5187897, 6917196, 10375794, 20751588]

約数ペア:

[(1, 20751588), (2, 10375794), (3, 6917196), (4, 5187897), (6, 3458598), (9, 2305732), (11, 1886508), (12, 1729299), (13, 1596276), (18, 1152866), (22, 943254), (26, 798138), (29, 715572), (33, 628836), (36, 576433), (39, 532092), (44, 471627), (52, 399069), (58, 357786), (66, 314418), (78, 266046), (87, 238524), (99, 209612), (116, 178893), (117, 177364), (132, 157209), (139, 149292), (143, 145116), (156, 133023), (174, 119262), (198, 104806), (234, 88682), (261, 79508), (278, 74646), (286, 72558), (319, 65052), (348, 59631), (377, 55044), (396, 52403), (417, 49764), (429, 48372), (468, 44341), (522, 39754), (556, 37323), (572, 36279), (638, 32526), (754, 27522), (834, 24882), (858, 24186), (957, 21684), (1044, 19877), (1131, 18348), (1251, 16588), (1276, 16263), (1287, 16124), (1508, 13761), (1529, 13572), (1668, 12441), (1716, 12093), (1807, 11484), (1914, 10842), (2262, 9174), (2502, 8294), (2574, 8062), (2871, 7228), (3058, 6786), (3393, 6116), (3614, 5742), (3828, 5421), (4031, 5148), (4147, 5004), (4524, 4587)]