20130992

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 27990928

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 97, 109, 112, 119, 136, 194, 218, 238, 272, 388, 436, 476, 679, 763, 776, 872, 952, 1358, 1526, 1552, 1649, 1744, 1853, 1904, 2716, 3052, 3298, 3706, 5432, 6104, 6596, 7412, 10573, 10864, 11543, 12208, 12971, 13192, 14824, 21146, 23086, 25942, 26384, 29648, 42292, 46172, 51884, 74011, 84584, 92344, 103768, 148022, 169168, 179741, 184688, 207536, 296044, 359482, 592088, 718964, 1184176, 1258187, 1437928, 2516374, 2875856, 5032748, 10065496, 20130992]

約数ペア:

[(1, 20130992), (2, 10065496), (4, 5032748), (7, 2875856), (8, 2516374), (14, 1437928), (16, 1258187), (17, 1184176), (28, 718964), (34, 592088), (56, 359482), (68, 296044), (97, 207536), (109, 184688), (112, 179741), (119, 169168), (136, 148022), (194, 103768), (218, 92344), (238, 84584), (272, 74011), (388, 51884), (436, 46172), (476, 42292), (679, 29648), (763, 26384), (776, 25942), (872, 23086), (952, 21146), (1358, 14824), (1526, 13192), (1552, 12971), (1649, 12208), (1744, 11543), (1853, 10864), (1904, 10573), (2716, 7412), (3052, 6596), (3298, 6104), (3706, 5432)]