20911473

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 34070400

約数和(自身を除く): 13158927

約数列:

[1, 3, 9, 11, 27, 33, 99, 181, 297, 389, 543, 1167, 1629, 1991, 3501, 4279, 4887, 5973, 10503, 12837, 17919, 38511, 53757, 70409, 115533, 211227, 633681, 774499, 1901043, 2323497, 6970491, 20911473]

約数ペア:

[(1, 20911473), (3, 6970491), (9, 2323497), (11, 1901043), (27, 774499), (33, 633681), (99, 211227), (181, 115533), (297, 70409), (389, 53757), (543, 38511), (1167, 17919), (1629, 12837), (1991, 10503), (3501, 5973), (4279, 4887)]