20644659

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5749}}^1$

素因数の和:5784

約数の個数: 32

約数和(自身を含む): 36800000

約数和(自身を除く): 16155341

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5749, 17247, 40243, 51741, 109231, 120729, 155223, 327693, 362187, 764617, 983079, 1086561, 2293851, 2949237, 6881553, 20644659]

約数ペア:

[(1, 20644659), (3, 6881553), (7, 2949237), (9, 2293851), (19, 1086561), (21, 983079), (27, 764617), (57, 362187), (63, 327693), (133, 155223), (171, 120729), (189, 109231), (399, 51741), (513, 40243), (1197, 17247), (3591, 5749)]