20189901585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4471739}}^1$

素因数の和:4471797

約数の個数: 32

約数和(自身を含む): 37777259520

約数和(自身を除く): 17587357935

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 4471739, 13415217, 22358695, 31302173, 67076085, 93906519, 156510865, 192284777, 469532595, 576854331, 961423885, 1345993439, 2884271655, 4037980317, 6729967195, 20189901585]

約数ペア:

[(1, 20189901585), (3, 6729967195), (5, 4037980317), (7, 2884271655), (15, 1345993439), (21, 961423885), (35, 576854331), (43, 469532595), (105, 192284777), (129, 156510865), (215, 93906519), (301, 67076085), (645, 31302173), (903, 22358695), (1505, 13415217), (4515, 4471739)]