20477248

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 112

約数和(自身を含む): 49377600

約数和(自身を除く): 28900352

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 29, 32, 34, 44, 58, 59, 64, 68, 88, 116, 118, 136, 176, 187, 232, 236, 272, 319, 352, 374, 464, 472, 493, 544, 638, 649, 704, 748, 928, 944, 986, 1003, 1088, 1276, 1298, 1496, 1711, 1856, 1888, 1972, 2006, 2552, 2596, 2992, 3422, 3776, 3944, 4012, 5104, 5192, 5423, 5984, 6844, 7888, 8024, 10208, 10384, 10846, 11033, 11968, 13688, 15776, 16048, 18821, 20416, 20768, 21692, 22066, 27376, 29087, 31552, 32096, 37642, 41536, 43384, 44132, 54752, 58174, 64192, 75284, 86768, 88264, 109504, 116348, 150568, 173536, 176528, 232696, 301136, 319957, 347072, 353056, 465392, 602272, 639914, 706112, 930784, 1204544, 1279828, 1861568, 2559656, 5119312, 10238624, 20477248]

約数ペア:

[(1, 20477248), (2, 10238624), (4, 5119312), (8, 2559656), (11, 1861568), (16, 1279828), (17, 1204544), (22, 930784), (29, 706112), (32, 639914), (34, 602272), (44, 465392), (58, 353056), (59, 347072), (64, 319957), (68, 301136), (88, 232696), (116, 176528), (118, 173536), (136, 150568), (176, 116348), (187, 109504), (232, 88264), (236, 86768), (272, 75284), (319, 64192), (352, 58174), (374, 54752), (464, 44132), (472, 43384), (493, 41536), (544, 37642), (638, 32096), (649, 31552), (704, 29087), (748, 27376), (928, 22066), (944, 21692), (986, 20768), (1003, 20416), (1088, 18821), (1276, 16048), (1298, 15776), (1496, 13688), (1711, 11968), (1856, 11033), (1888, 10846), (1972, 10384), (2006, 10208), (2552, 8024), (2596, 7888), (2992, 6844), (3422, 5984), (3776, 5423), (3944, 5192), (4012, 5104)]