20788926

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 46565760

約数和(自身を除く): 25776834

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 289, 323, 578, 631, 646, 867, 969, 1262, 1734, 1893, 1938, 3786, 5491, 10727, 10982, 11989, 16473, 21454, 23978, 32181, 32946, 35967, 64362, 71934, 182359, 203813, 364718, 407626, 547077, 611439, 1094154, 1222878, 3464821, 6929642, 10394463, 20788926]

約数ペア:

[(1, 20788926), (2, 10394463), (3, 6929642), (6, 3464821), (17, 1222878), (19, 1094154), (34, 611439), (38, 547077), (51, 407626), (57, 364718), (102, 203813), (114, 182359), (289, 71934), (323, 64362), (578, 35967), (631, 32946), (646, 32181), (867, 23978), (969, 21454), (1262, 16473), (1734, 11989), (1893, 10982), (1938, 10727), (3786, 5491)]