19930020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30197}}^1$

素因数の和:30220

約数の個数: 48

約数和(自身を含む): 60879168

約数和(自身を除く): 40949148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30197, 60394, 90591, 120788, 150985, 181182, 301970, 332167, 362364, 452955, 603940, 664334, 905910, 996501, 1328668, 1660835, 1811820, 1993002, 3321670, 3986004, 4982505, 6643340, 9965010, 19930020]

約数ペア:

[(1, 19930020), (2, 9965010), (3, 6643340), (4, 4982505), (5, 3986004), (6, 3321670), (10, 1993002), (11, 1811820), (12, 1660835), (15, 1328668), (20, 996501), (22, 905910), (30, 664334), (33, 603940), (44, 452955), (55, 362364), (60, 332167), (66, 301970), (110, 181182), (132, 150985), (165, 120788), (220, 90591), (330, 60394), (660, 30197)]