20238897

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12017103

約数列:

[1, 3, 7, 21, 29, 87, 167, 199, 203, 501, 597, 609, 1169, 1393, 3507, 4179, 4843, 5771, 14529, 17313, 33233, 33901, 40397, 99699, 101703, 121191, 232631, 697893, 963757, 2891271, 6746299, 20238897]

約数ペア:

[(1, 20238897), (3, 6746299), (7, 2891271), (21, 963757), (29, 697893), (87, 232631), (167, 121191), (199, 101703), (203, 99699), (501, 40397), (597, 33901), (609, 33233), (1169, 17313), (1393, 14529), (3507, 5771), (4179, 4843)]