20198403776

素因数分解:

$2^6\times {\mathrm{1123}}^1\times {\mathrm{281033}}^1$

素因数の和:282168

約数の個数: 28

約数和(自身を含む): 40117041432

約数和(自身を除く): 19918637656

約数列:

[1, 2, 4, 8, 16, 32, 64, 1123, 2246, 4492, 8984, 17968, 35936, 71872, 281033, 562066, 1124132, 2248264, 4496528, 8993056, 17986112, 315600059, 631200118, 1262400236, 2524800472, 5049600944, 10099201888, 20198403776]

約数ペア:

[(1, 20198403776), (2, 10099201888), (4, 5049600944), (8, 2524800472), (16, 1262400236), (32, 631200118), (64, 315600059), (1123, 17986112), (2246, 8993056), (4492, 4496528), (8984, 2248264), (17968, 1124132), (35936, 562066), (71872, 281033)]