20038256

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 60

約数和(自身を含む): 46012680

約数和(自身を除く): 25974424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 419, 427, 488, 784, 838, 854, 976, 1676, 1708, 2933, 2989, 3352, 3416, 5866, 5978, 6704, 6832, 11732, 11956, 20531, 23464, 23912, 25559, 41062, 46928, 47824, 51118, 82124, 102236, 164248, 178913, 204472, 328496, 357826, 408944, 715652, 1252391, 1431304, 2504782, 2862608, 5009564, 10019128, 20038256]

約数ペア:

[(1, 20038256), (2, 10019128), (4, 5009564), (7, 2862608), (8, 2504782), (14, 1431304), (16, 1252391), (28, 715652), (49, 408944), (56, 357826), (61, 328496), (98, 204472), (112, 178913), (122, 164248), (196, 102236), (244, 82124), (392, 51118), (419, 47824), (427, 46928), (488, 41062), (784, 25559), (838, 23912), (854, 23464), (976, 20531), (1676, 11956), (1708, 11732), (2933, 6832), (2989, 6704), (3352, 5978), (3416, 5866)]