20163796520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72013559}}^1$

素因数の和:72013577

約数の個数: 32

約数和(自身を含む): 51849763200

約数和(自身を除く): 31685966680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72013559, 144027118, 288054236, 360067795, 504094913, 576108472, 720135590, 1008189826, 1440271180, 2016379652, 2520474565, 2880542360, 4032759304, 5040949130, 10081898260, 20163796520]

約数ペア:

[(1, 20163796520), (2, 10081898260), (4, 5040949130), (5, 4032759304), (7, 2880542360), (8, 2520474565), (10, 2016379652), (14, 1440271180), (20, 1008189826), (28, 720135590), (35, 576108472), (40, 504094913), (56, 360067795), (70, 288054236), (140, 144027118), (280, 72013559)]