20091630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51517}}^1$

素因数の和:51540

約数の個数: 32

約数和(自身を含む): 51930144

約数和(自身を除く): 31838514

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51517, 103034, 154551, 257585, 309102, 515170, 669721, 772755, 1339442, 1545510, 2009163, 3348605, 4018326, 6697210, 10045815, 20091630]

約数ペア:

[(1, 20091630), (2, 10045815), (3, 6697210), (5, 4018326), (6, 3348605), (10, 2009163), (13, 1545510), (15, 1339442), (26, 772755), (30, 669721), (39, 515170), (65, 309102), (78, 257585), (130, 154551), (195, 103034), (390, 51517)]