20184463120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{38153}}^1$

素因数の和:38572

約数の個数: 80

約数和(自身を含む): 49818440880

約数和(自身を除く): 29633977760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 389, 680, 778, 1360, 1556, 1945, 3112, 3890, 6224, 6613, 7780, 13226, 15560, 26452, 31120, 33065, 38153, 52904, 66130, 76306, 105808, 132260, 152612, 190765, 264520, 305224, 381530, 529040, 610448, 648601, 763060, 1297202, 1526120, 2594404, 3052240, 3243005, 5188808, 6486010, 10377616, 12972020, 14841517, 25944040, 29683034, 51888080, 59366068, 74207585, 118732136, 148415170, 237464272, 252305789, 296830340, 504611578, 593660680, 1009223156, 1187321360, 1261528945, 2018446312, 2523057890, 4036892624, 5046115780, 10092231560, 20184463120]

約数ペア:

[(1, 20184463120), (2, 10092231560), (4, 5046115780), (5, 4036892624), (8, 2523057890), (10, 2018446312), (16, 1261528945), (17, 1187321360), (20, 1009223156), (34, 593660680), (40, 504611578), (68, 296830340), (80, 252305789), (85, 237464272), (136, 148415170), (170, 118732136), (272, 74207585), (340, 59366068), (389, 51888080), (680, 29683034), (778, 25944040), (1360, 14841517), (1556, 12972020), (1945, 10377616), (3112, 6486010), (3890, 5188808), (6224, 3243005), (6613, 3052240), (7780, 2594404), (13226, 1526120), (15560, 1297202), (26452, 763060), (31120, 648601), (33065, 610448), (38153, 529040), (52904, 381530), (66130, 305224), (76306, 264520), (105808, 190765), (132260, 152612)]