20121232516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{21871}}^1$

素因数の和:22025

約数の個数: 96

約数和(自身を含む): 45857710080

約数和(自身を除く): 25736477564

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 103, 116, 154, 203, 206, 308, 319, 406, 412, 638, 721, 812, 1133, 1276, 1442, 2233, 2266, 2884, 2987, 4466, 4532, 5974, 7931, 8932, 11948, 15862, 20909, 21871, 31724, 32857, 41818, 43742, 65714, 83636, 87484, 131428, 153097, 229999, 240581, 306194, 459998, 481162, 612388, 634259, 919996, 962324, 1268518, 1684067, 2252713, 2537036, 3368134, 4439813, 4505426, 6736268, 6976849, 8879626, 9010852, 13953698, 15768991, 17759252, 24779843, 27907396, 31537982, 48837943, 49559686, 63075964, 65328677, 97675886, 99119372, 130657354, 173458901, 195351772, 261314708, 346917802, 457300739, 693835604, 718615447, 914601478, 1437230894, 1829202956, 2874461788, 5030308129, 10060616258, 20121232516]

約数ペア:

[(1, 20121232516), (2, 10060616258), (4, 5030308129), (7, 2874461788), (11, 1829202956), (14, 1437230894), (22, 914601478), (28, 718615447), (29, 693835604), (44, 457300739), (58, 346917802), (77, 261314708), (103, 195351772), (116, 173458901), (154, 130657354), (203, 99119372), (206, 97675886), (308, 65328677), (319, 63075964), (406, 49559686), (412, 48837943), (638, 31537982), (721, 27907396), (812, 24779843), (1133, 17759252), (1276, 15768991), (1442, 13953698), (2233, 9010852), (2266, 8879626), (2884, 6976849), (2987, 6736268), (4466, 4505426), (4532, 4439813), (5974, 3368134), (7931, 2537036), (8932, 2252713), (11948, 1684067), (15862, 1268518), (20909, 962324), (21871, 919996), (31724, 634259), (32857, 612388), (41818, 481162), (43742, 459998), (65714, 306194), (83636, 240581), (87484, 229999), (131428, 153097)]