20321616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 61964288

約数和(自身を除く): 41642672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 1951, 2604, 3472, 3902, 5208, 5853, 7804, 10416, 11706, 13657, 15608, 23412, 27314, 31216, 40971, 46824, 54628, 60481, 81942, 93648, 109256, 120962, 163884, 181443, 218512, 241924, 327768, 362886, 423367, 483848, 655536, 725772, 846734, 967696, 1270101, 1451544, 1693468, 2540202, 2903088, 3386936, 5080404, 6773872, 10160808, 20321616]

約数ペア:

[(1, 20321616), (2, 10160808), (3, 6773872), (4, 5080404), (6, 3386936), (7, 2903088), (8, 2540202), (12, 1693468), (14, 1451544), (16, 1270101), (21, 967696), (24, 846734), (28, 725772), (31, 655536), (42, 483848), (48, 423367), (56, 362886), (62, 327768), (84, 241924), (93, 218512), (112, 181443), (124, 163884), (168, 120962), (186, 109256), (217, 93648), (248, 81942), (336, 60481), (372, 54628), (434, 46824), (496, 40971), (651, 31216), (744, 27314), (868, 23412), (1302, 15608), (1488, 13657), (1736, 11706), (1951, 10416), (2604, 7804), (3472, 5853), (3902, 5208)]