20888448

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 66912000

約数和(自身を除く): 46023552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 266, 304, 336, 384, 399, 409, 448, 456, 532, 608, 672, 798, 818, 896, 912, 1064, 1216, 1227, 1344, 1596, 1636, 1824, 2128, 2432, 2454, 2688, 2863, 3192, 3272, 3648, 4256, 4908, 5726, 6384, 6544, 7296, 7771, 8512, 8589, 9816, 11452, 12768, 13088, 15542, 17024, 17178, 19632, 22904, 23313, 25536, 26176, 31084, 34356, 39264, 45808, 46626, 51072, 52352, 54397, 62168, 68712, 78528, 91616, 93252, 108794, 124336, 137424, 157056, 163191, 183232, 186504, 217588, 248672, 274848, 326382, 366464, 373008, 435176, 497344, 549696, 652764, 746016, 870352, 994688, 1099392, 1305528, 1492032, 1740704, 2611056, 2984064, 3481408, 5222112, 6962816, 10444224, 20888448]

約数ペア:

[(1, 20888448), (2, 10444224), (3, 6962816), (4, 5222112), (6, 3481408), (7, 2984064), (8, 2611056), (12, 1740704), (14, 1492032), (16, 1305528), (19, 1099392), (21, 994688), (24, 870352), (28, 746016), (32, 652764), (38, 549696), (42, 497344), (48, 435176), (56, 373008), (57, 366464), (64, 326382), (76, 274848), (84, 248672), (96, 217588), (112, 186504), (114, 183232), (128, 163191), (133, 157056), (152, 137424), (168, 124336), (192, 108794), (224, 93252), (228, 91616), (266, 78528), (304, 68712), (336, 62168), (384, 54397), (399, 52352), (409, 51072), (448, 46626), (456, 45808), (532, 39264), (608, 34356), (672, 31084), (798, 26176), (818, 25536), (896, 23313), (912, 22904), (1064, 19632), (1216, 17178), (1227, 17024), (1344, 15542), (1596, 13088), (1636, 12768), (1824, 11452), (2128, 9816), (2432, 8589), (2454, 8512), (2688, 7771), (2863, 7296), (3192, 6544), (3272, 6384), (3648, 5726), (4256, 4908)]