20195641921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2673857}}^1$

素因数の和:2673960

約数の個数: 16

約数和(自身を含む): 25155656064

約数和(自身を除く): 4960014143

約数列:

[1, 7, 13, 83, 91, 581, 1079, 7553, 2673857, 18716999, 34760141, 221930131, 243320987, 1553510917, 2885091703, 20195641921]

約数ペア:

[(1, 20195641921), (7, 2885091703), (13, 1553510917), (83, 243320987), (91, 221930131), (581, 34760141), (1079, 18716999), (7553, 2673857)]