20732890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 18613670

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 827, 1090, 1654, 2507, 4135, 5014, 8270, 12535, 19021, 25070, 38042, 90143, 95105, 180286, 190210, 450715, 901430, 2073289, 4146578, 10366445, 20732890]

約数ペア:

[(1, 20732890), (2, 10366445), (5, 4146578), (10, 2073289), (23, 901430), (46, 450715), (109, 190210), (115, 180286), (218, 95105), (230, 90143), (545, 38042), (827, 25070), (1090, 19021), (1654, 12535), (2507, 8270), (4135, 5014)]