20965056

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:862

約数の個数: 112

約数和(自身を含む): 66812160

約数和(自身を除く): 45847104

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, 133, 152, 168, 192, 224, 228, 266, 304, 336, 399, 448, 456, 532, 608, 672, 798, 821, 912, 1064, 1216, 1344, 1596, 1642, 1824, 2128, 2463, 3192, 3284, 3648, 4256, 4926, 5747, 6384, 6568, 8512, 9852, 11494, 12768, 13136, 15599, 17241, 19704, 22988, 25536, 26272, 31198, 34482, 39408, 45976, 46797, 52544, 62396, 68964, 78816, 91952, 93594, 109193, 124792, 137928, 157632, 183904, 187188, 218386, 249584, 275856, 327579, 367808, 374376, 436772, 499168, 551712, 655158, 748752, 873544, 998336, 1103424, 1310316, 1497504, 1747088, 2620632, 2995008, 3494176, 5241264, 6988352, 10482528, 20965056]

約数ペア:

[(1, 20965056), (2, 10482528), (3, 6988352), (4, 5241264), (6, 3494176), (7, 2995008), (8, 2620632), (12, 1747088), (14, 1497504), (16, 1310316), (19, 1103424), (21, 998336), (24, 873544), (28, 748752), (32, 655158), (38, 551712), (42, 499168), (48, 436772), (56, 374376), (57, 367808), (64, 327579), (76, 275856), (84, 249584), (96, 218386), (112, 187188), (114, 183904), (133, 157632), (152, 137928), (168, 124792), (192, 109193), (224, 93594), (228, 91952), (266, 78816), (304, 68964), (336, 62396), (399, 52544), (448, 46797), (456, 45976), (532, 39408), (608, 34482), (672, 31198), (798, 26272), (821, 25536), (912, 22988), (1064, 19704), (1216, 17241), (1344, 15599), (1596, 13136), (1642, 12768), (1824, 11494), (2128, 9852), (2463, 8512), (3192, 6568), (3284, 6384), (3648, 5747), (4256, 4926)]