20730080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 36169504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 83, 112, 140, 160, 166, 223, 224, 280, 332, 415, 446, 560, 581, 664, 830, 892, 1115, 1120, 1162, 1328, 1561, 1660, 1784, 2230, 2324, 2656, 2905, 3122, 3320, 3568, 4460, 4648, 5810, 6244, 6640, 7136, 7805, 8920, 9296, 11620, 12488, 13280, 15610, 17840, 18509, 18592, 23240, 24976, 31220, 35680, 37018, 46480, 49952, 62440, 74036, 92545, 92960, 124880, 129563, 148072, 185090, 249760, 259126, 296144, 370180, 518252, 592288, 647815, 740360, 1036504, 1295630, 1480720, 2073008, 2591260, 2961440, 4146016, 5182520, 10365040, 20730080]

約数ペア:

[(1, 20730080), (2, 10365040), (4, 5182520), (5, 4146016), (7, 2961440), (8, 2591260), (10, 2073008), (14, 1480720), (16, 1295630), (20, 1036504), (28, 740360), (32, 647815), (35, 592288), (40, 518252), (56, 370180), (70, 296144), (80, 259126), (83, 249760), (112, 185090), (140, 148072), (160, 129563), (166, 124880), (223, 92960), (224, 92545), (280, 74036), (332, 62440), (415, 49952), (446, 46480), (560, 37018), (581, 35680), (664, 31220), (830, 24976), (892, 23240), (1115, 18592), (1120, 18509), (1162, 17840), (1328, 15610), (1561, 13280), (1660, 12488), (1784, 11620), (2230, 9296), (2324, 8920), (2656, 7805), (2905, 7136), (3122, 6640), (3320, 6244), (3568, 5810), (4460, 4648)]