20840796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30469}}^1$

素因数の和:30498

約数の個数: 36

約数和(自身を含む): 55455400

約数和(自身を除く): 34614604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30469, 60938, 91407, 121876, 182814, 274221, 365628, 548442, 578911, 1096884, 1157822, 1736733, 2315644, 3473466, 5210199, 6946932, 10420398, 20840796]

約数ペア:

[(1, 20840796), (2, 10420398), (3, 6946932), (4, 5210199), (6, 3473466), (9, 2315644), (12, 1736733), (18, 1157822), (19, 1096884), (36, 578911), (38, 548442), (57, 365628), (76, 274221), (114, 182814), (171, 121876), (228, 91407), (342, 60938), (684, 30469)]