20030815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8999585

約数列:

[1, 5, 7, 23, 35, 115, 149, 161, 167, 745, 805, 835, 1043, 1169, 3427, 3841, 5215, 5845, 17135, 19205, 23989, 24883, 26887, 119945, 124415, 134435, 174181, 572309, 870905, 2861545, 4006163, 20030815]

約数ペア:

[(1, 20030815), (5, 4006163), (7, 2861545), (23, 870905), (35, 572309), (115, 174181), (149, 134435), (161, 124415), (167, 119945), (745, 26887), (805, 24883), (835, 23989), (1043, 19205), (1169, 17135), (3427, 5845), (3841, 5215)]