20543281965

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:982

約数の個数: 112

約数和(自身を含む): 38348246016

約数和(自身を除く): 17804964051

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 281, 405, 465, 647, 729, 837, 843, 1215, 1395, 1405, 1941, 2511, 2529, 3235, 3645, 4185, 4215, 5823, 7533, 7587, 8711, 9705, 12555, 12645, 17469, 20057, 22599, 22761, 26133, 29115, 37665, 37935, 43555, 52407, 60171, 68283, 78399, 87345, 100285, 112995, 113805, 130665, 157221, 180513, 181807, 204849, 235197, 262035, 300855, 341415, 391995, 471663, 541539, 545421, 705591, 786105, 902565, 909035, 1024245, 1175985, 1624617, 1636263, 2116773, 2358315, 2707695, 2727105, 3527955, 4873851, 4908789, 5636017, 6350319, 8123085, 8181315, 10583865, 14621553, 14726367, 16908051, 24369255, 24543945, 28180085, 31751595, 44179101, 50724153, 73107765, 73631835, 84540255, 132537303, 152172459, 220895505, 253620765, 456517377, 662686515, 760862295, 1369552131, 2282586885, 4108656393, 6847760655, 20543281965]

約数ペア:

[(1, 20543281965), (3, 6847760655), (5, 4108656393), (9, 2282586885), (15, 1369552131), (27, 760862295), (31, 662686515), (45, 456517377), (81, 253620765), (93, 220895505), (135, 152172459), (155, 132537303), (243, 84540255), (279, 73631835), (281, 73107765), (405, 50724153), (465, 44179101), (647, 31751595), (729, 28180085), (837, 24543945), (843, 24369255), (1215, 16908051), (1395, 14726367), (1405, 14621553), (1941, 10583865), (2511, 8181315), (2529, 8123085), (3235, 6350319), (3645, 5636017), (4185, 4908789), (4215, 4873851), (5823, 3527955), (7533, 2727105), (7587, 2707695), (8711, 2358315), (9705, 2116773), (12555, 1636263), (12645, 1624617), (17469, 1175985), (20057, 1024245), (22599, 909035), (22761, 902565), (26133, 786105), (29115, 705591), (37665, 545421), (37935, 541539), (43555, 471663), (52407, 391995), (60171, 341415), (68283, 300855), (78399, 262035), (87345, 235197), (100285, 204849), (112995, 181807), (113805, 180513), (130665, 157221)]