20199932901

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 30845644800

約数和(自身を除く): 10645711899

約数列:

[1, 3, 9, 27, 61, 157, 183, 191, 409, 471, 549, 573, 1227, 1413, 1647, 1719, 3681, 4239, 5157, 9577, 11043, 11651, 24949, 28731, 29987, 34953, 64213, 74847, 78119, 86193, 89961, 104859, 192639, 224541, 234357, 258579, 269883, 314577, 577917, 673623, 703071, 809649, 1733751, 1829207, 2109213, 3916993, 4765259, 5487621, 11750979, 12264683, 14295777, 16462863, 35252937, 36794049, 42887331, 49388589, 105758811, 110382147, 128661993, 331146441, 748145663, 2244436989, 6733310967, 20199932901]

約数ペア:

[(1, 20199932901), (3, 6733310967), (9, 2244436989), (27, 748145663), (61, 331146441), (157, 128661993), (183, 110382147), (191, 105758811), (409, 49388589), (471, 42887331), (549, 36794049), (573, 35252937), (1227, 16462863), (1413, 14295777), (1647, 12264683), (1719, 11750979), (3681, 5487621), (4239, 4765259), (5157, 3916993), (9577, 2109213), (11043, 1829207), (11651, 1733751), (24949, 809649), (28731, 703071), (29987, 673623), (34953, 577917), (64213, 314577), (74847, 269883), (78119, 258579), (86193, 234357), (89961, 224541), (104859, 192639)]