20996469

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 34339200

約数和(自身を除く): 13342731

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1459, 1599, 4377, 4797, 13131, 14391, 18967, 39393, 56901, 59819, 170703, 179457, 512109, 538371, 777647, 1615113, 2332941, 6998823, 20996469]

約数ペア:

[(1, 20996469), (3, 6998823), (9, 2332941), (13, 1615113), (27, 777647), (39, 538371), (41, 512109), (117, 179457), (123, 170703), (351, 59819), (369, 56901), (533, 39393), (1107, 18967), (1459, 14391), (1599, 13131), (4377, 4797)]