20969802

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3541}}^1$

素因数の和:3603

約数の個数: 48

約数和(自身を含む): 53044992

約数和(自身を除く): 32075190

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3541, 5922, 7082, 10623, 21246, 24787, 31869, 49574, 63738, 74361, 148722, 166427, 223083, 332854, 446166, 499281, 998562, 1164989, 1497843, 2329978, 2995686, 3494967, 6989934, 10484901, 20969802]

約数ペア:

[(1, 20969802), (2, 10484901), (3, 6989934), (6, 3494967), (7, 2995686), (9, 2329978), (14, 1497843), (18, 1164989), (21, 998562), (42, 499281), (47, 446166), (63, 332854), (94, 223083), (126, 166427), (141, 148722), (282, 74361), (329, 63738), (423, 49574), (658, 31869), (846, 24787), (987, 21246), (1974, 10623), (2961, 7082), (3541, 5922)]