20170123712

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{15427}}^1$

素因数の和:16129

約数の個数: 56

約数和(自身を含む): 41381598720

約数和(自身を除く): 21211475008

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 659, 992, 1318, 1984, 2636, 5272, 10544, 15427, 20429, 21088, 30854, 40858, 42176, 61708, 81716, 123416, 163432, 246832, 326864, 478237, 493664, 653728, 956474, 987328, 1307456, 1912948, 3825896, 7651792, 10166393, 15303584, 20332786, 30607168, 40665572, 81331144, 162662288, 315158183, 325324576, 630316366, 650649152, 1260632732, 2521265464, 5042530928, 10085061856, 20170123712]

約数ペア:

[(1, 20170123712), (2, 10085061856), (4, 5042530928), (8, 2521265464), (16, 1260632732), (31, 650649152), (32, 630316366), (62, 325324576), (64, 315158183), (124, 162662288), (248, 81331144), (496, 40665572), (659, 30607168), (992, 20332786), (1318, 15303584), (1984, 10166393), (2636, 7651792), (5272, 3825896), (10544, 1912948), (15427, 1307456), (20429, 987328), (21088, 956474), (30854, 653728), (40858, 493664), (42176, 478237), (61708, 326864), (81716, 246832), (123416, 163432)]