20321418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4271}}^1$

素因数の和:4350

約数の個数: 32

約数和(自身を含む): 44497152

約数和(自身を除く): 24175734

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4271, 4758, 8542, 12813, 25626, 55523, 111046, 166569, 260531, 333138, 521062, 781593, 1563186, 3386903, 6773806, 10160709, 20321418]

約数ペア:

[(1, 20321418), (2, 10160709), (3, 6773806), (6, 3386903), (13, 1563186), (26, 781593), (39, 521062), (61, 333138), (78, 260531), (122, 166569), (183, 111046), (366, 55523), (793, 25626), (1586, 12813), (2379, 8542), (4271, 4758)]