20918438800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439463}}^1$

素因数の和:439505

約数の個数: 120

約数和(自身を含む): 60814786176

約数和(自身を除く): 39896347376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 136, 140, 170, 175, 200, 238, 272, 280, 340, 350, 400, 425, 476, 560, 595, 680, 700, 850, 952, 1190, 1360, 1400, 1700, 1904, 2380, 2800, 2975, 3400, 4760, 5950, 6800, 9520, 11900, 23800, 47600, 439463, 878926, 1757852, 2197315, 3076241, 3515704, 4394630, 6152482, 7031408, 7470871, 8789260, 10986575, 12304964, 14941742, 15381205, 17578520, 21973150, 24609928, 29883484, 30762410, 35157040, 37354355, 43946300, 49219856, 52296097, 59766968, 61524820, 74708710, 76906025, 87892600, 104592194, 119533936, 123049640, 149417420, 153812050, 175785200, 186771775, 209184388, 246099280, 261480485, 298834840, 307624100, 373543550, 418368776, 522960970, 597669680, 615248200, 747087100, 836737552, 1045921940, 1230496400, 1307402425, 1494174200, 2091843880, 2614804850, 2988348400, 4183687760, 5229609700, 10459219400, 20918438800]

約数ペア:

[(1, 20918438800), (2, 10459219400), (4, 5229609700), (5, 4183687760), (7, 2988348400), (8, 2614804850), (10, 2091843880), (14, 1494174200), (16, 1307402425), (17, 1230496400), (20, 1045921940), (25, 836737552), (28, 747087100), (34, 615248200), (35, 597669680), (40, 522960970), (50, 418368776), (56, 373543550), (68, 307624100), (70, 298834840), (80, 261480485), (85, 246099280), (100, 209184388), (112, 186771775), (119, 175785200), (136, 153812050), (140, 149417420), (170, 123049640), (175, 119533936), (200, 104592194), (238, 87892600), (272, 76906025), (280, 74708710), (340, 61524820), (350, 59766968), (400, 52296097), (425, 49219856), (476, 43946300), (560, 37354355), (595, 35157040), (680, 30762410), (700, 29883484), (850, 24609928), (952, 21973150), (1190, 17578520), (1360, 15381205), (1400, 14941742), (1700, 12304964), (1904, 10986575), (2380, 8789260), (2800, 7470871), (2975, 7031408), (3400, 6152482), (4760, 4394630), (5950, 3515704), (6800, 3076241), (9520, 2197315), (11900, 1757852), (23800, 878926), (47600, 439463)]