20707949075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{112223}}^1$

素因数の和:112316

約数の個数: 36

約数和(自身を含む): 28687372224

約数和(自身を除く): 7979423149

約数列:

[1, 5, 11, 25, 55, 61, 121, 275, 305, 605, 671, 1525, 3025, 3355, 7381, 16775, 36905, 112223, 184525, 561115, 1234453, 2805575, 6172265, 6845603, 13578983, 30861325, 34228015, 67894915, 75301633, 171140075, 339474575, 376508165, 828317963, 1882540825, 4141589815, 20707949075]

約数ペア:

[(1, 20707949075), (5, 4141589815), (11, 1882540825), (25, 828317963), (55, 376508165), (61, 339474575), (121, 171140075), (275, 75301633), (305, 67894915), (605, 34228015), (671, 30861325), (1525, 13578983), (3025, 6845603), (3355, 6172265), (7381, 2805575), (16775, 1234453), (36905, 561115), (112223, 184525)]