20257608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 42883512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 41, 42, 51, 56, 68, 82, 84, 102, 119, 123, 136, 164, 168, 173, 204, 238, 246, 287, 328, 346, 357, 408, 476, 492, 519, 574, 692, 697, 714, 861, 952, 984, 1038, 1148, 1211, 1384, 1394, 1428, 1722, 2076, 2091, 2296, 2422, 2788, 2856, 2941, 3444, 3633, 4152, 4182, 4844, 4879, 5576, 5882, 6888, 7093, 7266, 8364, 8823, 9688, 9758, 11764, 14186, 14532, 14637, 16728, 17646, 19516, 20587, 21279, 23528, 28372, 29064, 29274, 35292, 39032, 41174, 42558, 49651, 56744, 58548, 61761, 70584, 82348, 85116, 99302, 117096, 120581, 123522, 148953, 164696, 170232, 198604, 241162, 247044, 297906, 361743, 397208, 482324, 494088, 595812, 723486, 844067, 964648, 1191624, 1446972, 1688134, 2532201, 2893944, 3376268, 5064402, 6752536, 10128804, 20257608]

約数ペア:

[(1, 20257608), (2, 10128804), (3, 6752536), (4, 5064402), (6, 3376268), (7, 2893944), (8, 2532201), (12, 1688134), (14, 1446972), (17, 1191624), (21, 964648), (24, 844067), (28, 723486), (34, 595812), (41, 494088), (42, 482324), (51, 397208), (56, 361743), (68, 297906), (82, 247044), (84, 241162), (102, 198604), (119, 170232), (123, 164696), (136, 148953), (164, 123522), (168, 120581), (173, 117096), (204, 99302), (238, 85116), (246, 82348), (287, 70584), (328, 61761), (346, 58548), (357, 56744), (408, 49651), (476, 42558), (492, 41174), (519, 39032), (574, 35292), (692, 29274), (697, 29064), (714, 28372), (861, 23528), (952, 21279), (984, 20587), (1038, 19516), (1148, 17646), (1211, 16728), (1384, 14637), (1394, 14532), (1428, 14186), (1722, 11764), (2076, 9758), (2091, 9688), (2296, 8823), (2422, 8364), (2788, 7266), (2856, 7093), (2941, 6888), (3444, 5882), (3633, 5576), (4152, 4879), (4182, 4844)]