20808211856

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{47713}}^1$

素因数の和:48099

約数の個数: 40

約数和(自身を含む): 40877347224

約数和(自身を除く): 20069135368

約数列:

[1, 2, 4, 8, 16, 97, 194, 281, 388, 562, 776, 1124, 1552, 2248, 4496, 27257, 47713, 54514, 95426, 109028, 190852, 218056, 381704, 436112, 763408, 4628161, 9256322, 13407353, 18512644, 26814706, 37025288, 53629412, 74050576, 107258824, 214517648, 1300513241, 2601026482, 5202052964, 10404105928, 20808211856]

約数ペア:

[(1, 20808211856), (2, 10404105928), (4, 5202052964), (8, 2601026482), (16, 1300513241), (97, 214517648), (194, 107258824), (281, 74050576), (388, 53629412), (562, 37025288), (776, 26814706), (1124, 18512644), (1552, 13407353), (2248, 9256322), (4496, 4628161), (27257, 763408), (47713, 436112), (54514, 381704), (95426, 218056), (109028, 190852)]