20821832

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 19889848

約数列:

[1, 2, 4, 8, 31, 62, 113, 124, 226, 248, 452, 743, 904, 1486, 2972, 3503, 5944, 7006, 14012, 23033, 28024, 46066, 83959, 92132, 167918, 184264, 335836, 671672, 2602729, 5205458, 10410916, 20821832]

約数ペア:

[(1, 20821832), (2, 10410916), (4, 5205458), (8, 2602729), (31, 671672), (62, 335836), (113, 184264), (124, 167918), (226, 92132), (248, 83959), (452, 46066), (743, 28024), (904, 23033), (1486, 14012), (2972, 7006), (3503, 5944)]