20512058

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1307}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 37670400

約数和(自身を除く): 17158342

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 1307, 2242, 2614, 7847, 9149, 15694, 18298, 24833, 49666, 77113, 154226, 173831, 347662, 539791, 1079582, 1465147, 2930294, 10256029, 20512058]

約数ペア:

[(1, 20512058), (2, 10256029), (7, 2930294), (14, 1465147), (19, 1079582), (38, 539791), (59, 347662), (118, 173831), (133, 154226), (266, 77113), (413, 49666), (826, 24833), (1121, 18298), (1307, 15694), (2242, 9149), (2614, 7847)]