20705611808

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{27211}}^1$

素因数の和:27350

約数の個数: 96

約数和(自身を含む): 48276264960

約数和(自身を除く): 27570653152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 79, 86, 112, 158, 172, 224, 301, 316, 344, 553, 602, 632, 688, 1106, 1204, 1264, 1376, 2212, 2408, 2528, 3397, 4424, 4816, 6794, 8848, 9632, 13588, 17696, 23779, 27176, 27211, 47558, 54352, 54422, 95116, 108704, 108844, 190232, 190477, 217688, 380464, 380954, 435376, 760928, 761908, 870752, 1170073, 1523816, 2149669, 2340146, 3047632, 4299338, 4680292, 6095264, 8190511, 8598676, 9360584, 15047683, 16381022, 17197352, 18721168, 30095366, 32762044, 34394704, 37442336, 60190732, 65524088, 68789408, 92435767, 120381464, 131048176, 184871534, 240762928, 262096352, 369743068, 481525856, 647050369, 739486136, 1294100738, 1478972272, 2588201476, 2957944544, 5176402952, 10352805904, 20705611808]

約数ペア:

[(1, 20705611808), (2, 10352805904), (4, 5176402952), (7, 2957944544), (8, 2588201476), (14, 1478972272), (16, 1294100738), (28, 739486136), (32, 647050369), (43, 481525856), (56, 369743068), (79, 262096352), (86, 240762928), (112, 184871534), (158, 131048176), (172, 120381464), (224, 92435767), (301, 68789408), (316, 65524088), (344, 60190732), (553, 37442336), (602, 34394704), (632, 32762044), (688, 30095366), (1106, 18721168), (1204, 17197352), (1264, 16381022), (1376, 15047683), (2212, 9360584), (2408, 8598676), (2528, 8190511), (3397, 6095264), (4424, 4680292), (4816, 4299338), (6794, 3047632), (8848, 2340146), (9632, 2149669), (13588, 1523816), (17696, 1170073), (23779, 870752), (27176, 761908), (27211, 760928), (47558, 435376), (54352, 380954), (54422, 380464), (95116, 217688), (108704, 190477), (108844, 190232)]