19921160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71147}}^1$

素因数の和:71165

約数の個数: 32

約数和(自身を含む): 51226560

約数和(自身を除く): 31305400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71147, 142294, 284588, 355735, 498029, 569176, 711470, 996058, 1422940, 1992116, 2490145, 2845880, 3984232, 4980290, 9960580, 19921160]

約数ペア:

[(1, 19921160), (2, 9960580), (4, 4980290), (5, 3984232), (7, 2845880), (8, 2490145), (10, 1992116), (14, 1422940), (20, 996058), (28, 711470), (35, 569176), (40, 498029), (56, 355735), (70, 284588), (140, 142294), (280, 71147)]