20246070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51913}}^1$

素因数の和:51936

約数の個数: 32

約数和(自身を含む): 52329312

約数和(自身を除く): 32083242

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51913, 103826, 155739, 259565, 311478, 519130, 674869, 778695, 1349738, 1557390, 2024607, 3374345, 4049214, 6748690, 10123035, 20246070]

約数ペア:

[(1, 20246070), (2, 10123035), (3, 6748690), (5, 4049214), (6, 3374345), (10, 2024607), (13, 1557390), (15, 1349738), (26, 778695), (30, 674869), (39, 519130), (65, 311478), (78, 259565), (130, 155739), (195, 103826), (390, 51913)]