20549376

素因数分解:

$2^8\times 3^4\times {\mathrm{991}}^1$

素因数の和:1019

約数の個数: 90

約数和(自身を含む): 61336352

約数和(自身を除く): 40786976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 991, 1152, 1296, 1728, 1982, 2304, 2592, 2973, 3456, 3964, 5184, 5946, 6912, 7928, 8919, 10368, 11892, 15856, 17838, 20736, 23784, 26757, 31712, 35676, 47568, 53514, 63424, 71352, 80271, 95136, 107028, 126848, 142704, 160542, 190272, 214056, 253696, 285408, 321084, 380544, 428112, 570816, 642168, 761088, 856224, 1141632, 1284336, 1712448, 2283264, 2568672, 3424896, 5137344, 6849792, 10274688, 20549376]

約数ペア:

[(1, 20549376), (2, 10274688), (3, 6849792), (4, 5137344), (6, 3424896), (8, 2568672), (9, 2283264), (12, 1712448), (16, 1284336), (18, 1141632), (24, 856224), (27, 761088), (32, 642168), (36, 570816), (48, 428112), (54, 380544), (64, 321084), (72, 285408), (81, 253696), (96, 214056), (108, 190272), (128, 160542), (144, 142704), (162, 126848), (192, 107028), (216, 95136), (256, 80271), (288, 71352), (324, 63424), (384, 53514), (432, 47568), (576, 35676), (648, 31712), (768, 26757), (864, 23784), (991, 20736), (1152, 17838), (1296, 15856), (1728, 11892), (1982, 10368), (2304, 8919), (2592, 7928), (2973, 6912), (3456, 5946), (3964, 5184)]