20779038

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7853}}^1$

素因数の和:7878

約数の個数: 48

約数和(自身を含む): 53721360

約数和(自身を除く): 32942322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7853, 15706, 23559, 47118, 54971, 70677, 109942, 141354, 164913, 212031, 329826, 384797, 424062, 494739, 769594, 989478, 1154391, 1484217, 2308782, 2968434, 3463173, 6926346, 10389519, 20779038]

約数ペア:

[(1, 20779038), (2, 10389519), (3, 6926346), (6, 3463173), (7, 2968434), (9, 2308782), (14, 1484217), (18, 1154391), (21, 989478), (27, 769594), (42, 494739), (49, 424062), (54, 384797), (63, 329826), (98, 212031), (126, 164913), (147, 141354), (189, 109942), (294, 70677), (378, 54971), (441, 47118), (882, 23559), (1323, 15706), (2646, 7853)]