20149878

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{9791}}^1$

素因数の和:9817

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 26851722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 9791, 19582, 29373, 58746, 68537, 137074, 205611, 411222, 479759, 959518, 1439277, 2878554, 3358313, 6716626, 10074939, 20149878]

約数ペア:

[(1, 20149878), (2, 10074939), (3, 6716626), (6, 3358313), (7, 2878554), (14, 1439277), (21, 959518), (42, 479759), (49, 411222), (98, 205611), (147, 137074), (294, 68537), (343, 58746), (686, 29373), (1029, 19582), (2058, 9791)]