20215996892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1791563}}^1$

素因数の和:1791618

約数の個数: 48

約数和(自身を含む): 44946757632

約数和(自身を除く): 24730760740

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 1791563, 3583126, 7166252, 12540941, 23290319, 25081882, 46580638, 50163764, 55538453, 93161276, 111076906, 163032233, 222153812, 326064466, 388769171, 652128932, 721999889, 777538342, 1443999778, 1555076684, 2887999556, 5053999223, 10107998446, 20215996892]

約数ペア:

[(1, 20215996892), (2, 10107998446), (4, 5053999223), (7, 2887999556), (13, 1555076684), (14, 1443999778), (26, 777538342), (28, 721999889), (31, 652128932), (52, 388769171), (62, 326064466), (91, 222153812), (124, 163032233), (182, 111076906), (217, 93161276), (364, 55538453), (403, 50163764), (434, 46580638), (806, 25081882), (868, 23290319), (1612, 12540941), (2821, 7166252), (5642, 3583126), (11284, 1791563)]