20138072920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{193859}}^1$

素因数の和:193937

約数の個数: 96

約数和(自身を含む): 53703097200

約数和(自身を除く): 33565024280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 742, 980, 1060, 1484, 1855, 1960, 2120, 2597, 2968, 3710, 5194, 7420, 10388, 12985, 14840, 20776, 25970, 51940, 103880, 193859, 387718, 775436, 969295, 1357013, 1550872, 1938590, 2714026, 3877180, 5428052, 6785065, 7754360, 9499091, 10274527, 10856104, 13570130, 18998182, 20549054, 27140260, 37996364, 41098108, 47495455, 51372635, 54280520, 71921689, 75992728, 82196216, 94990910, 102745270, 143843378, 189981820, 205490540, 287686756, 359608445, 379963640, 410981080, 503451823, 575373512, 719216890, 1006903646, 1438433780, 2013807292, 2517259115, 2876867560, 4027614584, 5034518230, 10069036460, 20138072920]

約数ペア:

[(1, 20138072920), (2, 10069036460), (4, 5034518230), (5, 4027614584), (7, 2876867560), (8, 2517259115), (10, 2013807292), (14, 1438433780), (20, 1006903646), (28, 719216890), (35, 575373512), (40, 503451823), (49, 410981080), (53, 379963640), (56, 359608445), (70, 287686756), (98, 205490540), (106, 189981820), (140, 143843378), (196, 102745270), (212, 94990910), (245, 82196216), (265, 75992728), (280, 71921689), (371, 54280520), (392, 51372635), (424, 47495455), (490, 41098108), (530, 37996364), (742, 27140260), (980, 20549054), (1060, 18998182), (1484, 13570130), (1855, 10856104), (1960, 10274527), (2120, 9499091), (2597, 7754360), (2968, 6785065), (3710, 5428052), (5194, 3877180), (7420, 2714026), (10388, 1938590), (12985, 1550872), (14840, 1357013), (20776, 969295), (25970, 775436), (51940, 387718), (103880, 193859)]