20464748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4109

約数の個数: 24

約数和(自身を含む): 38270400

約数和(自身を除く): 17805652

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 4019, 5092, 8038, 16076, 76361, 152722, 269273, 305444, 538546, 1077092, 5116187, 10232374, 20464748]

約数ペア:

[(1, 20464748), (2, 10232374), (4, 5116187), (19, 1077092), (38, 538546), (67, 305444), (76, 269273), (134, 152722), (268, 76361), (1273, 16076), (2546, 8038), (4019, 5092)]