20154877690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1307909}}^1$

素因数の和:1308006

約数の個数: 32

約数和(自身を含む): 38421164160

約数和(自身を除く): 18266286470

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 3082, 7705, 15410, 1307909, 2615818, 6539545, 13079090, 30081907, 60163814, 87629903, 150409535, 175259806, 300819070, 438149515, 876299030, 2015487769, 4030975538, 10077438845, 20154877690]

約数ペア:

[(1, 20154877690), (2, 10077438845), (5, 4030975538), (10, 2015487769), (23, 876299030), (46, 438149515), (67, 300819070), (115, 175259806), (134, 150409535), (230, 87629903), (335, 60163814), (670, 30081907), (1541, 13079090), (3082, 6539545), (7705, 2615818), (15410, 1307909)]