20719464

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 56168640

約数和(自身を除く): 35449176

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 43, 51, 68, 86, 102, 129, 136, 172, 204, 258, 344, 408, 516, 731, 1032, 1181, 1462, 2193, 2362, 2924, 3543, 4386, 4724, 5848, 7086, 8772, 9448, 14172, 17544, 20077, 28344, 40154, 50783, 60231, 80308, 101566, 120462, 152349, 160616, 203132, 240924, 304698, 406264, 481848, 609396, 863311, 1218792, 1726622, 2589933, 3453244, 5179866, 6906488, 10359732, 20719464]

約数ペア:

[(1, 20719464), (2, 10359732), (3, 6906488), (4, 5179866), (6, 3453244), (8, 2589933), (12, 1726622), (17, 1218792), (24, 863311), (34, 609396), (43, 481848), (51, 406264), (68, 304698), (86, 240924), (102, 203132), (129, 160616), (136, 152349), (172, 120462), (204, 101566), (258, 80308), (344, 60231), (408, 50783), (516, 40154), (731, 28344), (1032, 20077), (1181, 17544), (1462, 14172), (2193, 9448), (2362, 8772), (2924, 7086), (3543, 5848), (4386, 4724)]