20116117

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 7462763

約数列:

[1, 7, 17, 19, 31, 41, 49, 119, 133, 217, 287, 323, 527, 589, 697, 779, 833, 931, 1271, 1519, 2009, 2261, 3689, 4123, 4879, 5453, 8897, 10013, 13243, 15827, 21607, 24149, 25823, 28861, 34153, 38171, 62279, 70091, 92701, 151249, 169043, 410533, 490637, 648907, 1058743, 1183301, 2873731, 20116117]

約数ペア:

[(1, 20116117), (7, 2873731), (17, 1183301), (19, 1058743), (31, 648907), (41, 490637), (49, 410533), (119, 169043), (133, 151249), (217, 92701), (287, 70091), (323, 62279), (527, 38171), (589, 34153), (697, 28861), (779, 25823), (833, 24149), (931, 21607), (1271, 15827), (1519, 13243), (2009, 10013), (2261, 8897), (3689, 5453), (4123, 4879)]