20065920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1493}}^1$

素因数の和:1522

約数の個数: 128

約数和(自身を含む): 73146240

約数和(自身を除く): 53080320

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1493, 1680, 1920, 2240, 2688, 2986, 3360, 4479, 4480, 5972, 6720, 7465, 8958, 10451, 11944, 13440, 14930, 17916, 20902, 22395, 23888, 29860, 31353, 35832, 41804, 44790, 47776, 52255, 59720, 62706, 71664, 83608, 89580, 95552, 104510, 119440, 125412, 143328, 156765, 167216, 179160, 191104, 209020, 238880, 250824, 286656, 313530, 334432, 358320, 418040, 477760, 501648, 573312, 627060, 668864, 716640, 836080, 955520, 1003296, 1254120, 1337728, 1433280, 1672160, 2006592, 2508240, 2866560, 3344320, 4013184, 5016480, 6688640, 10032960, 20065920]

約数ペア:

[(1, 20065920), (2, 10032960), (3, 6688640), (4, 5016480), (5, 4013184), (6, 3344320), (7, 2866560), (8, 2508240), (10, 2006592), (12, 1672160), (14, 1433280), (15, 1337728), (16, 1254120), (20, 1003296), (21, 955520), (24, 836080), (28, 716640), (30, 668864), (32, 627060), (35, 573312), (40, 501648), (42, 477760), (48, 418040), (56, 358320), (60, 334432), (64, 313530), (70, 286656), (80, 250824), (84, 238880), (96, 209020), (105, 191104), (112, 179160), (120, 167216), (128, 156765), (140, 143328), (160, 125412), (168, 119440), (192, 104510), (210, 95552), (224, 89580), (240, 83608), (280, 71664), (320, 62706), (336, 59720), (384, 52255), (420, 47776), (448, 44790), (480, 41804), (560, 35832), (640, 31353), (672, 29860), (840, 23888), (896, 22395), (960, 20902), (1120, 17916), (1344, 14930), (1493, 13440), (1680, 11944), (1920, 10451), (2240, 8958), (2688, 7465), (2986, 6720), (3360, 5972), (4479, 4480)]