20646981180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{862447}}^1$

素因数の和:862488

約数の個数: 144

約数和(自身を含む): 75343457280

約数和(自身を除く): 54696476100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 862447, 1724894, 2587341, 3449788, 4312235, 5174682, 6037129, 7762023, 8624470, 10349364, 12074258, 12936705, 15524046, 16386493, 17248940, 18111387, 24148516, 25873410, 30185645, 31048092, 32772986, 36222774, 38810115, 49159479, 51746820, 54334161, 60371290, 65545972, 72445548, 77620230, 81932465, 90556935, 98318958, 108668322, 114705451, 120742580, 147478437, 155240460, 163864930, 181113870, 196637916, 217336644, 229410902, 245797395, 271670805, 294956874, 327729860, 344116353, 362227740, 458821804, 491594790, 543341610, 573527255, 589913748, 688232706, 737392185, 983189580, 1032349059, 1086683220, 1147054510, 1376465412, 1474784370, 1720581765, 2064698118, 2294109020, 2949568740, 3441163530, 4129396236, 5161745295, 6882327060, 10323490590, 20646981180]

約数ペア:

[(1, 20646981180), (2, 10323490590), (3, 6882327060), (4, 5161745295), (5, 4129396236), (6, 3441163530), (7, 2949568740), (9, 2294109020), (10, 2064698118), (12, 1720581765), (14, 1474784370), (15, 1376465412), (18, 1147054510), (19, 1086683220), (20, 1032349059), (21, 983189580), (28, 737392185), (30, 688232706), (35, 589913748), (36, 573527255), (38, 543341610), (42, 491594790), (45, 458821804), (57, 362227740), (60, 344116353), (63, 327729860), (70, 294956874), (76, 271670805), (84, 245797395), (90, 229410902), (95, 217336644), (105, 196637916), (114, 181113870), (126, 163864930), (133, 155240460), (140, 147478437), (171, 120742580), (180, 114705451), (190, 108668322), (210, 98318958), (228, 90556935), (252, 81932465), (266, 77620230), (285, 72445548), (315, 65545972), (342, 60371290), (380, 54334161), (399, 51746820), (420, 49159479), (532, 38810115), (570, 36222774), (630, 32772986), (665, 31048092), (684, 30185645), (798, 25873410), (855, 24148516), (1140, 18111387), (1197, 17248940), (1260, 16386493), (1330, 15524046), (1596, 12936705), (1710, 12074258), (1995, 10349364), (2394, 8624470), (2660, 7762023), (3420, 6037129), (3990, 5174682), (4788, 4312235), (5985, 3449788), (7980, 2587341), (11970, 1724894), (23940, 862447)]