20194394115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{300043}}^1$

素因数の和:300699

約数の個数: 32

約数和(自身を含む): 36984623616

約数和(自身を除く): 16790229501

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 641, 1923, 3205, 4487, 9615, 13461, 22435, 67305, 300043, 900129, 1500215, 2100301, 4500645, 6300903, 10501505, 31504515, 192327563, 576982689, 961637815, 1346292941, 2884913445, 4038878823, 6731464705, 20194394115]

約数ペア:

[(1, 20194394115), (3, 6731464705), (5, 4038878823), (7, 2884913445), (15, 1346292941), (21, 961637815), (35, 576982689), (105, 192327563), (641, 31504515), (1923, 10501505), (3205, 6300903), (4487, 4500645), (9615, 2100301), (13461, 1500215), (22435, 900129), (67305, 300043)]