20456304

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 160

約数和(自身を含む): 63638784

約数和(自身を除く): 43182480

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 43, 44, 48, 51, 53, 66, 68, 86, 88, 102, 106, 129, 132, 136, 159, 172, 176, 187, 204, 212, 258, 264, 272, 318, 344, 374, 408, 424, 473, 516, 528, 561, 583, 636, 688, 731, 748, 816, 848, 901, 946, 1032, 1122, 1166, 1272, 1419, 1462, 1496, 1749, 1802, 1892, 2064, 2193, 2244, 2279, 2332, 2544, 2703, 2838, 2924, 2992, 3498, 3604, 3784, 4386, 4488, 4558, 4664, 5406, 5676, 5848, 6837, 6996, 7208, 7568, 8041, 8772, 8976, 9116, 9328, 9911, 10812, 11352, 11696, 13674, 13992, 14416, 16082, 17544, 18232, 19822, 21624, 22704, 24123, 25069, 27348, 27984, 29733, 32164, 35088, 36464, 38743, 39644, 43248, 48246, 50138, 54696, 59466, 64328, 75207, 77486, 79288, 96492, 100276, 109392, 116229, 118932, 128656, 150414, 154972, 158576, 192984, 200552, 232458, 237864, 300828, 309944, 385968, 401104, 426173, 464916, 475728, 601656, 619888, 852346, 929832, 1203312, 1278519, 1704692, 1859664, 2557038, 3409384, 5114076, 6818768, 10228152, 20456304]

約数ペア:

[(1, 20456304), (2, 10228152), (3, 6818768), (4, 5114076), (6, 3409384), (8, 2557038), (11, 1859664), (12, 1704692), (16, 1278519), (17, 1203312), (22, 929832), (24, 852346), (33, 619888), (34, 601656), (43, 475728), (44, 464916), (48, 426173), (51, 401104), (53, 385968), (66, 309944), (68, 300828), (86, 237864), (88, 232458), (102, 200552), (106, 192984), (129, 158576), (132, 154972), (136, 150414), (159, 128656), (172, 118932), (176, 116229), (187, 109392), (204, 100276), (212, 96492), (258, 79288), (264, 77486), (272, 75207), (318, 64328), (344, 59466), (374, 54696), (408, 50138), (424, 48246), (473, 43248), (516, 39644), (528, 38743), (561, 36464), (583, 35088), (636, 32164), (688, 29733), (731, 27984), (748, 27348), (816, 25069), (848, 24123), (901, 22704), (946, 21624), (1032, 19822), (1122, 18232), (1166, 17544), (1272, 16082), (1419, 14416), (1462, 13992), (1496, 13674), (1749, 11696), (1802, 11352), (1892, 10812), (2064, 9911), (2193, 9328), (2244, 9116), (2279, 8976), (2332, 8772), (2544, 8041), (2703, 7568), (2838, 7208), (2924, 6996), (2992, 6837), (3498, 5848), (3604, 5676), (3784, 5406), (4386, 4664), (4488, 4558)]