20848058

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 40653312

約数和(自身を除く): 19805254

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 217, 242, 341, 397, 434, 682, 794, 847, 1694, 2387, 2779, 3751, 4367, 4774, 5558, 7502, 8734, 12307, 24614, 26257, 30569, 48037, 52514, 61138, 86149, 96074, 135377, 172298, 270754, 336259, 672518, 947639, 1489147, 1895278, 2978294, 10424029, 20848058]

約数ペア:

[(1, 20848058), (2, 10424029), (7, 2978294), (11, 1895278), (14, 1489147), (22, 947639), (31, 672518), (62, 336259), (77, 270754), (121, 172298), (154, 135377), (217, 96074), (242, 86149), (341, 61138), (397, 52514), (434, 48037), (682, 30569), (794, 26257), (847, 24614), (1694, 12307), (2387, 8734), (2779, 7502), (3751, 5558), (4367, 4774)]