20199311965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{533879}}^1$

素因数の和:533961

約数の個数: 32

約数和(自身を含む): 29521428480

約数和(自身を除く): 9322116515

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 805, 1081, 1645, 5405, 7567, 37835, 533879, 2669395, 3737153, 12279217, 18685765, 25092313, 61396085, 85954519, 125461565, 175646191, 429772595, 577123199, 878230955, 2885615995, 4039862393, 20199311965]

約数ペア:

[(1, 20199311965), (5, 4039862393), (7, 2885615995), (23, 878230955), (35, 577123199), (47, 429772595), (115, 175646191), (161, 125461565), (235, 85954519), (329, 61396085), (805, 25092313), (1081, 18685765), (1645, 12279217), (5405, 3737153), (7567, 2669395), (37835, 533879)]