20030997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 32696320

約数和(自身を除く): 12665323

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 823, 1159, 1281, 2469, 3477, 5761, 8113, 15637, 17283, 24339, 46911, 50203, 109459, 150609, 328377, 351421, 953857, 1054263, 2861571, 6676999, 20030997]

約数ペア:

[(1, 20030997), (3, 6676999), (7, 2861571), (19, 1054263), (21, 953857), (57, 351421), (61, 328377), (133, 150609), (183, 109459), (399, 50203), (427, 46911), (823, 24339), (1159, 17283), (1281, 15637), (2469, 8113), (3477, 5761)]