20147393945

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{17959}}^1$

素因数の和:18238

約数の個数: 48

約数和(自身を含む): 29728828800

約数和(自身を除く): 9581434855

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 241, 245, 665, 931, 1205, 1687, 4579, 4655, 8435, 11809, 17959, 22895, 32053, 59045, 89795, 125713, 160265, 224371, 341221, 628565, 879991, 1121855, 1706105, 2388547, 4328119, 4399955, 11942735, 16719829, 21640595, 30296833, 82234261, 83599145, 151484165, 212077831, 411171305, 575639827, 1060389155, 2878199135, 4029478789, 20147393945]

約数ペア:

[(1, 20147393945), (5, 4029478789), (7, 2878199135), (19, 1060389155), (35, 575639827), (49, 411171305), (95, 212077831), (133, 151484165), (241, 83599145), (245, 82234261), (665, 30296833), (931, 21640595), (1205, 16719829), (1687, 11942735), (4579, 4399955), (4655, 4328119), (8435, 2388547), (11809, 1706105), (17959, 1121855), (22895, 879991), (32053, 628565), (59045, 341221), (89795, 224371), (125713, 160265)]