20165511165

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1\times {\mathrm{1619}}^1$

素因数の和:2186

約数の個数: 64

約数和(自身を含む): 34189516800

約数和(自身を除く): 14024005635

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 457, 1185, 1371, 1619, 1817, 2285, 4857, 5451, 6855, 8095, 9085, 10511, 24285, 27255, 31533, 36103, 37237, 52555, 108309, 111711, 127901, 157665, 180515, 186185, 383703, 541545, 558555, 639505, 739883, 830369, 1918515, 2219649, 2491107, 2941723, 3699415, 4151845, 8825169, 11098245, 12455535, 14708615, 17017309, 44125845, 51051927, 58450757, 85086545, 175352271, 255259635, 292253785, 876761355, 1344367411, 4033102233, 6721837055, 20165511165]

約数ペア:

[(1, 20165511165), (3, 6721837055), (5, 4033102233), (15, 1344367411), (23, 876761355), (69, 292253785), (79, 255259635), (115, 175352271), (237, 85086545), (345, 58450757), (395, 51051927), (457, 44125845), (1185, 17017309), (1371, 14708615), (1619, 12455535), (1817, 11098245), (2285, 8825169), (4857, 4151845), (5451, 3699415), (6855, 2941723), (8095, 2491107), (9085, 2219649), (10511, 1918515), (24285, 830369), (27255, 739883), (31533, 639505), (36103, 558555), (37237, 541545), (52555, 383703), (108309, 186185), (111711, 180515), (127901, 157665)]