20189901555

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 36599472000

約数和(自身を除く): 16409570445

約数列:

[1, 3, 5, 9, 15, 37, 45, 97, 111, 149, 185, 291, 333, 447, 485, 555, 745, 839, 873, 1341, 1455, 1665, 2235, 2517, 3589, 4195, 4365, 5513, 6705, 7551, 10767, 12585, 14453, 16539, 17945, 27565, 31043, 32301, 37755, 43359, 49617, 53835, 72265, 81383, 82695, 93129, 125011, 130077, 155215, 161505, 216795, 244149, 248085, 279387, 375033, 406915, 465645, 534761, 625055, 650385, 732447, 1125099, 1220745, 1396935, 1604283, 1875165, 2673805, 3011171, 3662235, 4625407, 4812849, 5625495, 8021415, 9033513, 12126067, 13876221, 15055855, 23127035, 24064245, 27100539, 36378201, 41628663, 45167565, 60630335, 69381105, 109134603, 135502695, 181891005, 208143315, 448664479, 545673015, 1345993437, 2243322395, 4037980311, 6729967185, 20189901555]

約数ペア:

[(1, 20189901555), (3, 6729967185), (5, 4037980311), (9, 2243322395), (15, 1345993437), (37, 545673015), (45, 448664479), (97, 208143315), (111, 181891005), (149, 135502695), (185, 109134603), (291, 69381105), (333, 60630335), (447, 45167565), (485, 41628663), (555, 36378201), (745, 27100539), (839, 24064245), (873, 23127035), (1341, 15055855), (1455, 13876221), (1665, 12126067), (2235, 9033513), (2517, 8021415), (3589, 5625495), (4195, 4812849), (4365, 4625407), (5513, 3662235), (6705, 3011171), (7551, 2673805), (10767, 1875165), (12585, 1604283), (14453, 1396935), (16539, 1220745), (17945, 1125099), (27565, 732447), (31043, 650385), (32301, 625055), (37755, 534761), (43359, 465645), (49617, 406915), (53835, 375033), (72265, 279387), (81383, 248085), (82695, 244149), (93129, 216795), (125011, 161505), (130077, 155215)]