20903184

素因数分解:

$2^4\times 3^4\times {\mathrm{127}}^2$

素因数の和:274

約数の個数: 75

約数和(自身を含む): 60980007

約数和(自身を除く): 40076823

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 127, 144, 162, 216, 254, 324, 381, 432, 508, 648, 762, 1016, 1143, 1296, 1524, 2032, 2286, 3048, 3429, 4572, 6096, 6858, 9144, 10287, 13716, 16129, 18288, 20574, 27432, 32258, 41148, 48387, 54864, 64516, 82296, 96774, 129032, 145161, 164592, 193548, 258064, 290322, 387096, 435483, 580644, 774192, 870966, 1161288, 1306449, 1741932, 2322576, 2612898, 3483864, 5225796, 6967728, 10451592, 20903184]

約数ペア:

[(1, 20903184), (2, 10451592), (3, 6967728), (4, 5225796), (6, 3483864), (8, 2612898), (9, 2322576), (12, 1741932), (16, 1306449), (18, 1161288), (24, 870966), (27, 774192), (36, 580644), (48, 435483), (54, 387096), (72, 290322), (81, 258064), (108, 193548), (127, 164592), (144, 145161), (162, 129032), (216, 96774), (254, 82296), (324, 64516), (381, 54864), (432, 48387), (508, 41148), (648, 32258), (762, 27432), (1016, 20574), (1143, 18288), (1296, 16129), (1524, 13716), (2032, 10287), (2286, 9144), (3048, 6858), (3429, 6096)]