20956494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6553}}^1$

素因数の和:6612

約数の個数: 32

約数和(自身を含む): 46245024

約数和(自身を除く): 25288530

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6553, 13106, 19659, 39318, 85189, 170378, 255567, 268673, 511134, 537346, 806019, 1612038, 3492749, 6985498, 10478247, 20956494]

約数ペア:

[(1, 20956494), (2, 10478247), (3, 6985498), (6, 3492749), (13, 1612038), (26, 806019), (39, 537346), (41, 511134), (78, 268673), (82, 255567), (123, 170378), (246, 85189), (533, 39318), (1066, 19659), (1599, 13106), (3198, 6553)]