20165904

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 63835200

約数和(自身を除く): 43669296

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 439, 464, 522, 528, 638, 696, 792, 878, 957, 1044, 1276, 1317, 1392, 1584, 1756, 1914, 2088, 2552, 2634, 2871, 3512, 3828, 3951, 4176, 4829, 5104, 5268, 5742, 7024, 7656, 7902, 9658, 10536, 11484, 12731, 14487, 15312, 15804, 19316, 21072, 22968, 25462, 28974, 31608, 38193, 38632, 43461, 45936, 50924, 57948, 63216, 76386, 77264, 86922, 101848, 114579, 115896, 140041, 152772, 173844, 203696, 229158, 231792, 280082, 305544, 347688, 420123, 458316, 560164, 611088, 695376, 840246, 916632, 1120328, 1260369, 1680492, 1833264, 2240656, 2520738, 3360984, 5041476, 6721968, 10082952, 20165904]

約数ペア:

[(1, 20165904), (2, 10082952), (3, 6721968), (4, 5041476), (6, 3360984), (8, 2520738), (9, 2240656), (11, 1833264), (12, 1680492), (16, 1260369), (18, 1120328), (22, 916632), (24, 840246), (29, 695376), (33, 611088), (36, 560164), (44, 458316), (48, 420123), (58, 347688), (66, 305544), (72, 280082), (87, 231792), (88, 229158), (99, 203696), (116, 173844), (132, 152772), (144, 140041), (174, 115896), (176, 114579), (198, 101848), (232, 86922), (261, 77264), (264, 76386), (319, 63216), (348, 57948), (396, 50924), (439, 45936), (464, 43461), (522, 38632), (528, 38193), (638, 31608), (696, 28974), (792, 25462), (878, 22968), (957, 21072), (1044, 19316), (1276, 15804), (1317, 15312), (1392, 14487), (1584, 12731), (1756, 11484), (1914, 10536), (2088, 9658), (2552, 7902), (2634, 7656), (2871, 7024), (3512, 5742), (3828, 5268), (3951, 5104), (4176, 4829)]