20979114

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2663}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 45650304

約数和(自身を除く): 24671190

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 2663, 3939, 5326, 7878, 7989, 15978, 34619, 69238, 103857, 207714, 268963, 537926, 806889, 1613778, 3496519, 6993038, 10489557, 20979114]

約数ペア:

[(1, 20979114), (2, 10489557), (3, 6993038), (6, 3496519), (13, 1613778), (26, 806889), (39, 537926), (78, 268963), (101, 207714), (202, 103857), (303, 69238), (606, 34619), (1313, 15978), (2626, 7989), (2663, 7878), (3939, 5326)]