20809765728

素因数分解:

$2^5\times 3^6\times {\mathrm{419}}^1\times {\mathrm{2129}}^1$

素因数の和:2576

約数の個数: 168

約数和(自身を含む): 61601261400

約数和(自身を除く): 40791495672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 419, 432, 486, 648, 729, 838, 864, 972, 1257, 1296, 1458, 1676, 1944, 2129, 2514, 2592, 2916, 3352, 3771, 3888, 4258, 5028, 5832, 6387, 6704, 7542, 7776, 8516, 10056, 11313, 11664, 12774, 13408, 15084, 17032, 19161, 20112, 22626, 23328, 25548, 30168, 33939, 34064, 38322, 40224, 45252, 51096, 57483, 60336, 67878, 68128, 76644, 90504, 101817, 102192, 114966, 120672, 135756, 153288, 172449, 181008, 203634, 204384, 229932, 271512, 305451, 306576, 344898, 362016, 407268, 459864, 517347, 543024, 610902, 613152, 689796, 814536, 892051, 919728, 1034694, 1086048, 1221804, 1379592, 1552041, 1629072, 1784102, 1839456, 2069388, 2443608, 2676153, 2759184, 3104082, 3258144, 3568204, 4138776, 4887216, 5352306, 5518368, 6208164, 7136408, 8028459, 8277552, 9774432, 10704612, 12416328, 14272816, 16056918, 16555104, 21409224, 24085377, 24832656, 28545632, 32113836, 42818448, 48170754, 49665312, 64227672, 72256131, 85636896, 96341508, 128455344, 144512262, 192683016, 216768393, 256910688, 289024524, 385366032, 433536786, 578049048, 650305179, 770732064, 867073572, 1156098096, 1300610358, 1734147144, 2312196192, 2601220716, 3468294288, 5202441432, 6936588576, 10404882864, 20809765728]

約数ペア:

[(1, 20809765728), (2, 10404882864), (3, 6936588576), (4, 5202441432), (6, 3468294288), (8, 2601220716), (9, 2312196192), (12, 1734147144), (16, 1300610358), (18, 1156098096), (24, 867073572), (27, 770732064), (32, 650305179), (36, 578049048), (48, 433536786), (54, 385366032), (72, 289024524), (81, 256910688), (96, 216768393), (108, 192683016), (144, 144512262), (162, 128455344), (216, 96341508), (243, 85636896), (288, 72256131), (324, 64227672), (419, 49665312), (432, 48170754), (486, 42818448), (648, 32113836), (729, 28545632), (838, 24832656), (864, 24085377), (972, 21409224), (1257, 16555104), (1296, 16056918), (1458, 14272816), (1676, 12416328), (1944, 10704612), (2129, 9774432), (2514, 8277552), (2592, 8028459), (2916, 7136408), (3352, 6208164), (3771, 5518368), (3888, 5352306), (4258, 4887216), (5028, 4138776), (5832, 3568204), (6387, 3258144), (6704, 3104082), (7542, 2759184), (7776, 2676153), (8516, 2443608), (10056, 2069388), (11313, 1839456), (11664, 1784102), (12774, 1629072), (13408, 1552041), (15084, 1379592), (17032, 1221804), (19161, 1086048), (20112, 1034694), (22626, 919728), (23328, 892051), (25548, 814536), (30168, 689796), (33939, 613152), (34064, 610902), (38322, 543024), (40224, 517347), (45252, 459864), (51096, 407268), (57483, 362016), (60336, 344898), (67878, 306576), (68128, 305451), (76644, 271512), (90504, 229932), (101817, 204384), (102192, 203634), (114966, 181008), (120672, 172449), (135756, 153288)]