19720630

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53299}}^1$

素因数の和:53343

約数の個数: 16

約数和(自身を含む): 36457200

約数和(自身を除く): 16736570

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53299, 106598, 266495, 532990, 1972063, 3944126, 9860315, 19720630]

約数ペア:

[(1, 19720630), (2, 9860315), (5, 3944126), (10, 1972063), (37, 532990), (74, 266495), (185, 106598), (370, 53299)]