20160977804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{127669}}^1$

素因数の和:127818

約数の個数: 48

約数和(自身を含む): 39937218720

約数和(自身を除く): 19776240916

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 97, 148, 194, 388, 407, 814, 1067, 1628, 2134, 3589, 4268, 7178, 14356, 39479, 78958, 127669, 157916, 255338, 510676, 1404359, 2808718, 4723753, 5617436, 9447506, 12383893, 18895012, 24767786, 49535572, 51961283, 103922566, 136222823, 207845132, 272445646, 458204041, 544891292, 916408082, 1832816164, 5040244451, 10080488902, 20160977804]

約数ペア:

[(1, 20160977804), (2, 10080488902), (4, 5040244451), (11, 1832816164), (22, 916408082), (37, 544891292), (44, 458204041), (74, 272445646), (97, 207845132), (148, 136222823), (194, 103922566), (388, 51961283), (407, 49535572), (814, 24767786), (1067, 18895012), (1628, 12383893), (2134, 9447506), (3589, 5617436), (4268, 4723753), (7178, 2808718), (14356, 1404359), (39479, 510676), (78958, 255338), (127669, 157916)]