20215306680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4552997}}^1$

素因数の和:4553048

約数の個数: 64

約数和(自身を含む): 62285012640

約数和(自身を除く): 42069705960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4552997, 9105994, 13658991, 18211988, 22764985, 27317982, 36423976, 45529970, 54635964, 68294955, 91059940, 109271928, 136589910, 168460889, 182119880, 273179820, 336921778, 505382667, 546359640, 673843556, 842304445, 1010765334, 1347687112, 1684608890, 2021530668, 2526913335, 3369217780, 4043061336, 5053826670, 6738435560, 10107653340, 20215306680]

約数ペア:

[(1, 20215306680), (2, 10107653340), (3, 6738435560), (4, 5053826670), (5, 4043061336), (6, 3369217780), (8, 2526913335), (10, 2021530668), (12, 1684608890), (15, 1347687112), (20, 1010765334), (24, 842304445), (30, 673843556), (37, 546359640), (40, 505382667), (60, 336921778), (74, 273179820), (111, 182119880), (120, 168460889), (148, 136589910), (185, 109271928), (222, 91059940), (296, 68294955), (370, 54635964), (444, 45529970), (555, 36423976), (740, 27317982), (888, 22764985), (1110, 18211988), (1480, 13658991), (2220, 9105994), (4440, 4552997)]