20921496

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8147}}^1$

素因数の和:8263

約数の個数: 32

約数和(自身を含む): 52799040

約数和(自身を除く): 31877544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8147, 16294, 24441, 32588, 48882, 65176, 97764, 195528, 871729, 1743458, 2615187, 3486916, 5230374, 6973832, 10460748, 20921496]

約数ペア:

[(1, 20921496), (2, 10460748), (3, 6973832), (4, 5230374), (6, 3486916), (8, 2615187), (12, 1743458), (24, 871729), (107, 195528), (214, 97764), (321, 65176), (428, 48882), (642, 32588), (856, 24441), (1284, 16294), (2568, 8147)]