20387970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{75511}}^1$

素因数の和:75527

約数の個数: 32

約数和(自身を含む): 54368640

約数和(自身を除く): 33980670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 75511, 151022, 226533, 377555, 453066, 679599, 755110, 1132665, 1359198, 2038797, 2265330, 3397995, 4077594, 6795990, 10193985, 20387970]

約数ペア:

[(1, 20387970), (2, 10193985), (3, 6795990), (5, 4077594), (6, 3397995), (9, 2265330), (10, 2038797), (15, 1359198), (18, 1132665), (27, 755110), (30, 679599), (45, 453066), (54, 377555), (90, 226533), (135, 151022), (270, 75511)]