20804821452

素因数分解:

$2^2\times 3^2\times {\mathrm{311}}^1\times {\mathrm{379}}^1\times {\mathrm{4903}}^1$

素因数の和:5603

約数の個数: 72

約数和(自身を含む): 52909059840

約数和(自身を除く): 32104238388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 311, 379, 622, 758, 933, 1137, 1244, 1516, 1866, 2274, 2799, 3411, 3732, 4548, 4903, 5598, 6822, 9806, 11196, 13644, 14709, 19612, 29418, 44127, 58836, 88254, 117869, 176508, 235738, 353607, 471476, 707214, 1060821, 1414428, 1524833, 1858237, 2121642, 3049666, 3716474, 4243284, 4574499, 5574711, 6099332, 7432948, 9148998, 11149422, 13723497, 16724133, 18297996, 22298844, 27446994, 33448266, 54893988, 66896532, 577911707, 1155823414, 1733735121, 2311646828, 3467470242, 5201205363, 6934940484, 10402410726, 20804821452]

約数ペア:

[(1, 20804821452), (2, 10402410726), (3, 6934940484), (4, 5201205363), (6, 3467470242), (9, 2311646828), (12, 1733735121), (18, 1155823414), (36, 577911707), (311, 66896532), (379, 54893988), (622, 33448266), (758, 27446994), (933, 22298844), (1137, 18297996), (1244, 16724133), (1516, 13723497), (1866, 11149422), (2274, 9148998), (2799, 7432948), (3411, 6099332), (3732, 5574711), (4548, 4574499), (4903, 4243284), (5598, 3716474), (6822, 3049666), (9806, 2121642), (11196, 1858237), (13644, 1524833), (14709, 1414428), (19612, 1060821), (29418, 707214), (44127, 471476), (58836, 353607), (88254, 235738), (117869, 176508)]