20123951218

素因数分解:

$2^1\times 7^2\times {\mathrm{619}}^1\times {\mathrm{331739}}^1$

素因数の和:332374

約数の個数: 24

約数和(自身を含む): 35171074800

約数和(自身を除く): 15047123582

約数列:

[1, 2, 7, 14, 49, 98, 619, 1238, 4333, 8666, 30331, 60662, 331739, 663478, 2322173, 4644346, 16255211, 32510422, 205346441, 410692882, 1437425087, 2874850174, 10061975609, 20123951218]

約数ペア:

[(1, 20123951218), (2, 10061975609), (7, 2874850174), (14, 1437425087), (49, 410692882), (98, 205346441), (619, 32510422), (1238, 16255211), (4333, 4644346), (8666, 2322173), (30331, 663478), (60662, 331739)]