20657202656

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{8221}}^1$

素因数の和:8428

約数の個数: 96

約数和(自身を含む): 44753990400

約数和(自身を除く): 24096787744

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 149, 248, 272, 298, 496, 527, 544, 596, 992, 1054, 1192, 2108, 2384, 2533, 4216, 4619, 4768, 5066, 8221, 8432, 9238, 10132, 16442, 16864, 18476, 20264, 32884, 36952, 40528, 65768, 73904, 78523, 81056, 131536, 139757, 147808, 157046, 254851, 263072, 279514, 314092, 509702, 559028, 628184, 1019404, 1118056, 1224929, 1256368, 2038808, 2236112, 2449858, 2512736, 4077616, 4332467, 4472224, 4899716, 8155232, 8664934, 9799432, 17329868, 19598864, 20823793, 34659736, 37972799, 39197728, 41647586, 69319472, 75945598, 83295172, 138638944, 151891196, 166590344, 303782392, 333180688, 607564784, 645537583, 666361376, 1215129568, 1291075166, 2582150332, 5164300664, 10328601328, 20657202656]

約数ペア:

[(1, 20657202656), (2, 10328601328), (4, 5164300664), (8, 2582150332), (16, 1291075166), (17, 1215129568), (31, 666361376), (32, 645537583), (34, 607564784), (62, 333180688), (68, 303782392), (124, 166590344), (136, 151891196), (149, 138638944), (248, 83295172), (272, 75945598), (298, 69319472), (496, 41647586), (527, 39197728), (544, 37972799), (596, 34659736), (992, 20823793), (1054, 19598864), (1192, 17329868), (2108, 9799432), (2384, 8664934), (2533, 8155232), (4216, 4899716), (4619, 4472224), (4768, 4332467), (5066, 4077616), (8221, 2512736), (8432, 2449858), (9238, 2236112), (10132, 2038808), (16442, 1256368), (16864, 1224929), (18476, 1118056), (20264, 1019404), (32884, 628184), (36952, 559028), (40528, 509702), (65768, 314092), (73904, 279514), (78523, 263072), (81056, 254851), (131536, 157046), (139757, 147808)]