20812356

素因数分解:

$2^2\times 3^3\times {\mathrm{107}}^1\times {\mathrm{1801}}^1$

素因数の和:1921

約数の個数: 48

約数和(自身を含む): 54492480

約数和(自身を除く): 33680124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 107, 108, 214, 321, 428, 642, 963, 1284, 1801, 1926, 2889, 3602, 3852, 5403, 5778, 7204, 10806, 11556, 16209, 21612, 32418, 48627, 64836, 97254, 192707, 194508, 385414, 578121, 770828, 1156242, 1734363, 2312484, 3468726, 5203089, 6937452, 10406178, 20812356]

約数ペア:

[(1, 20812356), (2, 10406178), (3, 6937452), (4, 5203089), (6, 3468726), (9, 2312484), (12, 1734363), (18, 1156242), (27, 770828), (36, 578121), (54, 385414), (107, 194508), (108, 192707), (214, 97254), (321, 64836), (428, 48627), (642, 32418), (963, 21612), (1284, 16209), (1801, 11556), (1926, 10806), (2889, 7204), (3602, 5778), (3852, 5403)]