20478050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17807}}^1$

素因数の和:17842

約数の個数: 24

約数和(自身を含む): 39747456

約数和(自身を除く): 19269406

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17807, 35614, 89035, 178070, 409561, 445175, 819122, 890350, 2047805, 4095610, 10239025, 20478050]

約数ペア:

[(1, 20478050), (2, 10239025), (5, 4095610), (10, 2047805), (23, 890350), (25, 819122), (46, 445175), (50, 409561), (115, 178070), (230, 89035), (575, 35614), (1150, 17807)]