20348160

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{757}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 74368896

約数和(自身を除く): 54020736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 757, 768, 840, 896, 960, 1120, 1280, 1344, 1514, 1680, 1792, 1920, 2240, 2271, 2688, 3028, 3360, 3785, 3840, 4480, 4542, 5299, 5376, 6056, 6720, 7570, 8960, 9084, 10598, 11355, 12112, 13440, 15140, 15897, 18168, 21196, 22710, 24224, 26495, 26880, 30280, 31794, 36336, 42392, 45420, 48448, 52990, 60560, 63588, 72672, 79485, 84784, 90840, 96896, 105980, 121120, 127176, 145344, 158970, 169568, 181680, 193792, 211960, 242240, 254352, 290688, 317940, 339136, 363360, 423920, 484480, 508704, 581376, 635880, 678272, 726720, 847840, 968960, 1017408, 1271760, 1356544, 1453440, 1695680, 2034816, 2543520, 2906880, 3391360, 4069632, 5087040, 6782720, 10174080, 20348160]

約数ペア:

[(1, 20348160), (2, 10174080), (3, 6782720), (4, 5087040), (5, 4069632), (6, 3391360), (7, 2906880), (8, 2543520), (10, 2034816), (12, 1695680), (14, 1453440), (15, 1356544), (16, 1271760), (20, 1017408), (21, 968960), (24, 847840), (28, 726720), (30, 678272), (32, 635880), (35, 581376), (40, 508704), (42, 484480), (48, 423920), (56, 363360), (60, 339136), (64, 317940), (70, 290688), (80, 254352), (84, 242240), (96, 211960), (105, 193792), (112, 181680), (120, 169568), (128, 158970), (140, 145344), (160, 127176), (168, 121120), (192, 105980), (210, 96896), (224, 90840), (240, 84784), (256, 79485), (280, 72672), (320, 63588), (336, 60560), (384, 52990), (420, 48448), (448, 45420), (480, 42392), (560, 36336), (640, 31794), (672, 30280), (757, 26880), (768, 26495), (840, 24224), (896, 22710), (960, 21196), (1120, 18168), (1280, 15897), (1344, 15140), (1514, 13440), (1680, 12112), (1792, 11355), (1920, 10598), (2240, 9084), (2271, 8960), (2688, 7570), (3028, 6720), (3360, 6056), (3785, 5376), (3840, 5299), (4480, 4542)]