20977698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10627}}^1$

素因数の和:10686

約数の個数: 32

約数和(自身を含む): 48973824

約数和(自身を除く): 27996126

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10627, 21254, 31881, 63762, 74389, 148778, 223167, 446334, 499469, 998938, 1498407, 2996814, 3496283, 6992566, 10488849, 20977698]

約数ペア:

[(1, 20977698), (2, 10488849), (3, 6992566), (6, 3496283), (7, 2996814), (14, 1498407), (21, 998938), (42, 499469), (47, 446334), (94, 223167), (141, 148778), (282, 74389), (329, 63762), (658, 31881), (987, 21254), (1974, 10627)]