20163776067

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{2591}}^1\times {\mathrm{3313}}^1$

素因数の和:5945

約数の個数: 40

約数和(自身を含む): 31181293440

約数和(自身を除く): 11017517373

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 2591, 3313, 7773, 9939, 23319, 29817, 69957, 75139, 89451, 96077, 209871, 225417, 268353, 288231, 676251, 864693, 2028753, 2594079, 6086259, 7782237, 8583983, 25751949, 77255847, 231767541, 248935507, 695302623, 746806521, 2240419563, 6721258689, 20163776067]

約数ペア:

[(1, 20163776067), (3, 6721258689), (9, 2240419563), (27, 746806521), (29, 695302623), (81, 248935507), (87, 231767541), (261, 77255847), (783, 25751949), (2349, 8583983), (2591, 7782237), (3313, 6086259), (7773, 2594079), (9939, 2028753), (23319, 864693), (29817, 676251), (69957, 288231), (75139, 268353), (89451, 225417), (96077, 209871)]