20175952

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 40584456

約数和(自身を除く): 20408504

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 173, 197, 296, 346, 394, 592, 692, 788, 1384, 1576, 2768, 3152, 6401, 7289, 12802, 14578, 25604, 29156, 34081, 51208, 58312, 68162, 102416, 116624, 136324, 272648, 545296, 1260997, 2521994, 5043988, 10087976, 20175952]

約数ペア:

[(1, 20175952), (2, 10087976), (4, 5043988), (8, 2521994), (16, 1260997), (37, 545296), (74, 272648), (148, 136324), (173, 116624), (197, 102416), (296, 68162), (346, 58312), (394, 51208), (592, 34081), (692, 29156), (788, 25604), (1384, 14578), (1576, 12802), (2768, 7289), (3152, 6401)]