20116560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 63210240

約数和(自身を除く): 43093680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1061, 1185, 1264, 1580, 1896, 2122, 2370, 3160, 3183, 3792, 4244, 4740, 5305, 6320, 6366, 8488, 9480, 10610, 12732, 15915, 16976, 18960, 21220, 25464, 31830, 42440, 50928, 63660, 83819, 84880, 127320, 167638, 251457, 254640, 335276, 419095, 502914, 670552, 838190, 1005828, 1257285, 1341104, 1676380, 2011656, 2514570, 3352760, 4023312, 5029140, 6705520, 10058280, 20116560]

約数ペア:

[(1, 20116560), (2, 10058280), (3, 6705520), (4, 5029140), (5, 4023312), (6, 3352760), (8, 2514570), (10, 2011656), (12, 1676380), (15, 1341104), (16, 1257285), (20, 1005828), (24, 838190), (30, 670552), (40, 502914), (48, 419095), (60, 335276), (79, 254640), (80, 251457), (120, 167638), (158, 127320), (237, 84880), (240, 83819), (316, 63660), (395, 50928), (474, 42440), (632, 31830), (790, 25464), (948, 21220), (1061, 18960), (1185, 16976), (1264, 15915), (1580, 12732), (1896, 10610), (2122, 9480), (2370, 8488), (3160, 6366), (3183, 6320), (3792, 5305), (4244, 4740)]