20218860981

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{4597}}^1$

素因数の和:4927

約数の個数: 64

約数和(自身を含む): 33370444800

約数和(自身を除く): 13151583819

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 251, 297, 531, 649, 753, 1593, 1947, 2259, 2761, 4597, 5841, 6777, 8283, 13791, 14809, 17523, 24849, 41373, 44427, 50567, 74547, 124119, 133281, 151701, 162899, 271223, 399843, 455103, 488697, 813669, 1153847, 1365309, 1466091, 2441007, 2983453, 3461541, 4398273, 7323021, 8950359, 10384623, 12692317, 26851077, 31153869, 38076951, 68076973, 80553231, 114230853, 204230919, 342692559, 612692757, 748846703, 1838078271, 2246540109, 6739620327, 20218860981]

約数ペア:

[(1, 20218860981), (3, 6739620327), (9, 2246540109), (11, 1838078271), (27, 748846703), (33, 612692757), (59, 342692559), (99, 204230919), (177, 114230853), (251, 80553231), (297, 68076973), (531, 38076951), (649, 31153869), (753, 26851077), (1593, 12692317), (1947, 10384623), (2259, 8950359), (2761, 7323021), (4597, 4398273), (5841, 3461541), (6777, 2983453), (8283, 2441007), (13791, 1466091), (14809, 1365309), (17523, 1153847), (24849, 813669), (41373, 488697), (44427, 455103), (50567, 399843), (74547, 271223), (124119, 162899), (133281, 151701)]