20185205085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{10601}}^1$

素因数の和:10779

約数の個数: 96

約数和(自身を含む): 39296949120

約数和(自身を除く): 19111744035

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 131, 153, 171, 255, 285, 323, 393, 655, 765, 855, 969, 1179, 1615, 1965, 2227, 2489, 2907, 4845, 5895, 6681, 7467, 10601, 11135, 12445, 14535, 20043, 22401, 31803, 33405, 37335, 42313, 53005, 95409, 100215, 112005, 126939, 159015, 180217, 201419, 211565, 380817, 477045, 540651, 604257, 634695, 901085, 1007095, 1388731, 1621953, 1812771, 1904085, 2703255, 3021285, 3424123, 4166193, 6943655, 8109765, 9063855, 10272369, 12498579, 17120615, 20830965, 23608427, 26385889, 30817107, 51361845, 62492895, 70825281, 79157667, 118042135, 131929445, 154085535, 212475843, 237473001, 354126405, 395788335, 448560113, 1062379215, 1187365005, 1345680339, 2242800565, 4037041017, 6728401695, 20185205085]

約数ペア:

[(1, 20185205085), (3, 6728401695), (5, 4037041017), (9, 2242800565), (15, 1345680339), (17, 1187365005), (19, 1062379215), (45, 448560113), (51, 395788335), (57, 354126405), (85, 237473001), (95, 212475843), (131, 154085535), (153, 131929445), (171, 118042135), (255, 79157667), (285, 70825281), (323, 62492895), (393, 51361845), (655, 30817107), (765, 26385889), (855, 23608427), (969, 20830965), (1179, 17120615), (1615, 12498579), (1965, 10272369), (2227, 9063855), (2489, 8109765), (2907, 6943655), (4845, 4166193), (5895, 3424123), (6681, 3021285), (7467, 2703255), (10601, 1904085), (11135, 1812771), (12445, 1621953), (14535, 1388731), (20043, 1007095), (22401, 901085), (31803, 634695), (33405, 604257), (37335, 540651), (42313, 477045), (53005, 380817), (95409, 211565), (100215, 201419), (112005, 180217), (126939, 159015)]