20403721730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1307093}}^1$

素因数の和:1307330

約数の個数: 32

約数和(自身を含む): 42161624064

約数和(自身を除く): 21757902334

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1561, 2230, 3122, 7805, 15610, 1307093, 2614186, 6535465, 9149651, 13070930, 18299302, 45748255, 91496510, 291481739, 582963478, 1457408695, 2040372173, 2914817390, 4080744346, 10201860865, 20403721730]

約数ペア:

[(1, 20403721730), (2, 10201860865), (5, 4080744346), (7, 2914817390), (10, 2040372173), (14, 1457408695), (35, 582963478), (70, 291481739), (223, 91496510), (446, 45748255), (1115, 18299302), (1561, 13070930), (2230, 9149651), (3122, 6535465), (7805, 2614186), (15610, 1307093)]