20653836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12941}}^1$

素因数の和:12974

約数の個数: 48

約数和(自身を含む): 57980160

約数和(自身を除く): 37326324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 12941, 25882, 38823, 51764, 77646, 90587, 155292, 181174, 245879, 271761, 362348, 491758, 543522, 737637, 983516, 1087044, 1475274, 1721153, 2950548, 3442306, 5163459, 6884612, 10326918, 20653836]

約数ペア:

[(1, 20653836), (2, 10326918), (3, 6884612), (4, 5163459), (6, 3442306), (7, 2950548), (12, 1721153), (14, 1475274), (19, 1087044), (21, 983516), (28, 737637), (38, 543522), (42, 491758), (57, 362348), (76, 271761), (84, 245879), (114, 181174), (133, 155292), (228, 90587), (266, 77646), (399, 51764), (532, 38823), (798, 25882), (1596, 12941)]