20198670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 51480576

約数和(自身を除く): 31281906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 587, 930, 1110, 1147, 1174, 1761, 2294, 2935, 3441, 3522, 5735, 5870, 6882, 8805, 11470, 17205, 17610, 18197, 21719, 34410, 36394, 43438, 54591, 65157, 90985, 108595, 109182, 130314, 181970, 217190, 272955, 325785, 545910, 651570, 673289, 1346578, 2019867, 3366445, 4039734, 6732890, 10099335, 20198670]

約数ペア:

[(1, 20198670), (2, 10099335), (3, 6732890), (5, 4039734), (6, 3366445), (10, 2019867), (15, 1346578), (30, 673289), (31, 651570), (37, 545910), (62, 325785), (74, 272955), (93, 217190), (111, 181970), (155, 130314), (185, 109182), (186, 108595), (222, 90985), (310, 65157), (370, 54591), (465, 43438), (555, 36394), (587, 34410), (930, 21719), (1110, 18197), (1147, 17610), (1174, 17205), (1761, 11470), (2294, 8805), (2935, 6882), (3441, 5870), (3522, 5735)]