20430901616

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5342809}}^1$

素因数の和:5343056

約数の個数: 20

約数和(自身を含む): 39750506400

約数和(自身を除く): 19319604784

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5342809, 10685618, 21371236, 42742472, 85484944, 1276931351, 2553862702, 5107725404, 10215450808, 20430901616]

約数ペア:

[(1, 20430901616), (2, 10215450808), (4, 5107725404), (8, 2553862702), (16, 1276931351), (239, 85484944), (478, 42742472), (956, 21371236), (1912, 10685618), (3824, 5342809)]