20834044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 50512896

約数和(自身を除く): 29678852

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 68, 77, 92, 119, 154, 161, 173, 187, 238, 253, 308, 322, 346, 374, 391, 476, 506, 644, 692, 748, 782, 1012, 1211, 1309, 1564, 1771, 1903, 2422, 2618, 2737, 2941, 3542, 3806, 3979, 4301, 4844, 5236, 5474, 5882, 7084, 7612, 7958, 8602, 10948, 11764, 13321, 15916, 17204, 20587, 26642, 27853, 30107, 32351, 41174, 43769, 53284, 55706, 60214, 64702, 67643, 82348, 87538, 111412, 120428, 129404, 135286, 175076, 226457, 270572, 306383, 452914, 473501, 612766, 744073, 905828, 947002, 1225532, 1488146, 1894004, 2976292, 5208511, 10417022, 20834044]

約数ペア:

[(1, 20834044), (2, 10417022), (4, 5208511), (7, 2976292), (11, 1894004), (14, 1488146), (17, 1225532), (22, 947002), (23, 905828), (28, 744073), (34, 612766), (44, 473501), (46, 452914), (68, 306383), (77, 270572), (92, 226457), (119, 175076), (154, 135286), (161, 129404), (173, 120428), (187, 111412), (238, 87538), (253, 82348), (308, 67643), (322, 64702), (346, 60214), (374, 55706), (391, 53284), (476, 43769), (506, 41174), (644, 32351), (692, 30107), (748, 27853), (782, 26642), (1012, 20587), (1211, 17204), (1309, 15916), (1564, 13321), (1771, 11764), (1903, 10948), (2422, 8602), (2618, 7958), (2737, 7612), (2941, 7084), (3542, 5882), (3806, 5474), (3979, 5236), (4301, 4844)]