20423640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170197}}^1$

素因数の和:170211

約数の個数: 32

約数和(自身を含む): 61271280

約数和(自身を除く): 40847640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170197, 340394, 510591, 680788, 850985, 1021182, 1361576, 1701970, 2042364, 2552955, 3403940, 4084728, 5105910, 6807880, 10211820, 20423640]

約数ペア:

[(1, 20423640), (2, 10211820), (3, 6807880), (4, 5105910), (5, 4084728), (6, 3403940), (8, 2552955), (10, 2042364), (12, 1701970), (15, 1361576), (20, 1021182), (24, 850985), (30, 680788), (40, 510591), (60, 340394), (120, 170197)]