20756050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 45568512

約数和(自身を除く): 24812462

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1913, 2170, 3826, 5425, 9565, 10850, 13391, 19130, 26782, 47825, 59303, 66955, 95650, 118606, 133910, 296515, 334775, 415121, 593030, 669550, 830242, 1482575, 2075605, 2965150, 4151210, 10378025, 20756050]

約数ペア:

[(1, 20756050), (2, 10378025), (5, 4151210), (7, 2965150), (10, 2075605), (14, 1482575), (25, 830242), (31, 669550), (35, 593030), (50, 415121), (62, 334775), (70, 296515), (155, 133910), (175, 118606), (217, 95650), (310, 66955), (350, 59303), (434, 47825), (775, 26782), (1085, 19130), (1550, 13391), (1913, 10850), (2170, 9565), (3826, 5425)]