20649291245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1\times {\mathrm{7069}}^1$

素因数の和:7565

約数の個数: 32

約数和(自身を含む): 27280471680

約数和(自身を除く): 6631180435

約数列:

[1, 5, 11, 55, 173, 307, 865, 1535, 1903, 3377, 7069, 9515, 16885, 35345, 53111, 77759, 265555, 388795, 584221, 1222937, 2170183, 2921105, 6114685, 10850915, 13452307, 23872013, 67261535, 119360065, 375441659, 1877208295, 4129858249, 20649291245]

約数ペア:

[(1, 20649291245), (5, 4129858249), (11, 1877208295), (55, 375441659), (173, 119360065), (307, 67261535), (865, 23872013), (1535, 13452307), (1903, 10850915), (3377, 6114685), (7069, 2921105), (9515, 2170183), (16885, 1222937), (35345, 584221), (53111, 388795), (77759, 265555)]