20178730516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4201}}^1\times {\mathrm{10091}}^1$

素因数の和:14320

約数の個数: 48

約数和(自身を含む): 42745836672

約数和(自身を除く): 22567106156

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 4201, 8402, 10091, 16804, 20182, 29407, 40364, 58814, 70637, 71417, 117628, 141274, 142834, 171547, 282548, 285668, 343094, 499919, 686188, 999838, 1200829, 1999676, 2401658, 4803316, 42392291, 84784582, 169569164, 296746037, 593492074, 720668947, 1186984148, 1441337894, 2882675788, 5044682629, 10089365258, 20178730516]

約数ペア:

[(1, 20178730516), (2, 10089365258), (4, 5044682629), (7, 2882675788), (14, 1441337894), (17, 1186984148), (28, 720668947), (34, 593492074), (68, 296746037), (119, 169569164), (238, 84784582), (476, 42392291), (4201, 4803316), (8402, 2401658), (10091, 1999676), (16804, 1200829), (20182, 999838), (29407, 686188), (40364, 499919), (58814, 343094), (70637, 285668), (71417, 282548), (117628, 171547), (141274, 142834)]