20693750

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 96

約数和(自身を含む): 49496832

約数和(自身を除く): 28803082

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 43, 50, 55, 70, 77, 86, 110, 125, 154, 175, 215, 250, 275, 301, 350, 385, 430, 473, 550, 602, 625, 770, 875, 946, 1075, 1250, 1375, 1505, 1750, 1925, 2150, 2365, 2750, 3010, 3125, 3311, 3850, 4375, 4730, 5375, 6250, 6622, 6875, 7525, 8750, 9625, 10750, 11825, 13750, 15050, 16555, 19250, 21875, 23650, 26875, 33110, 34375, 37625, 43750, 48125, 53750, 59125, 68750, 75250, 82775, 96250, 118250, 134375, 165550, 188125, 240625, 268750, 295625, 376250, 413875, 481250, 591250, 827750, 940625, 1478125, 1881250, 2069375, 2956250, 4138750, 10346875, 20693750]

約数ペア:

[(1, 20693750), (2, 10346875), (5, 4138750), (7, 2956250), (10, 2069375), (11, 1881250), (14, 1478125), (22, 940625), (25, 827750), (35, 591250), (43, 481250), (50, 413875), (55, 376250), (70, 295625), (77, 268750), (86, 240625), (110, 188125), (125, 165550), (154, 134375), (175, 118250), (215, 96250), (250, 82775), (275, 75250), (301, 68750), (350, 59125), (385, 53750), (430, 48125), (473, 43750), (550, 37625), (602, 34375), (625, 33110), (770, 26875), (875, 23650), (946, 21875), (1075, 19250), (1250, 16555), (1375, 15050), (1505, 13750), (1750, 11825), (1925, 10750), (2150, 9625), (2365, 8750), (2750, 7525), (3010, 6875), (3125, 6622), (3311, 6250), (3850, 5375), (4375, 4730)]