20080557

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 34421920

約数和(自身を除く): 14341363

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 379, 609, 841, 1137, 1827, 2523, 2653, 3411, 5887, 7569, 7959, 10991, 17661, 23877, 32973, 52983, 76937, 98919, 230811, 318739, 692433, 956217, 2231173, 2868651, 6693519, 20080557]

約数ペア:

[(1, 20080557), (3, 6693519), (7, 2868651), (9, 2231173), (21, 956217), (29, 692433), (63, 318739), (87, 230811), (203, 98919), (261, 76937), (379, 52983), (609, 32973), (841, 23877), (1137, 17661), (1827, 10991), (2523, 7959), (2653, 7569), (3411, 5887)]