20187065500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4111}}^1$

素因数の和:4221

約数の個数: 192

約数和(自身を含む): 53452578816

約数和(自身を除く): 33265513316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 61, 70, 92, 100, 115, 122, 125, 140, 161, 175, 230, 244, 250, 305, 322, 350, 427, 460, 500, 575, 610, 644, 700, 805, 854, 875, 1150, 1220, 1403, 1525, 1610, 1708, 1750, 2135, 2300, 2806, 2875, 3050, 3220, 3500, 4025, 4111, 4270, 5612, 5750, 6100, 7015, 7625, 8050, 8222, 8540, 9821, 10675, 11500, 14030, 15250, 16100, 16444, 19642, 20125, 20555, 21350, 28060, 28777, 30500, 35075, 39284, 40250, 41110, 42700, 49105, 53375, 57554, 70150, 80500, 82220, 94553, 98210, 102775, 106750, 115108, 140300, 143885, 175375, 189106, 196420, 205550, 213500, 245525, 250771, 287770, 350750, 378212, 411100, 472765, 491050, 501542, 513875, 575540, 661871, 701500, 719425, 945530, 982100, 1003084, 1027750, 1227625, 1253855, 1323742, 1438850, 1755397, 1891060, 2055500, 2363825, 2455250, 2507710, 2647484, 2877700, 3309355, 3510794, 3597125, 4727650, 4910500, 5015420, 5767733, 6269275, 6618710, 7021588, 7194250, 8776985, 9455300, 11535466, 11819125, 12538550, 13237420, 14388500, 16546775, 17553970, 23070932, 23638250, 25077100, 28838665, 31346375, 33093550, 35107940, 40374131, 43884925, 47276500, 57677330, 62692750, 66187100, 80748262, 82733875, 87769850, 115354660, 125385500, 144193325, 161496524, 165467750, 175539700, 201870655, 219424625, 288386650, 330935500, 403741310, 438849250, 576773300, 720966625, 807482620, 877698500, 1009353275, 1441933250, 2018706550, 2883866500, 4037413100, 5046766375, 10093532750, 20187065500]

約数ペア:

[(1, 20187065500), (2, 10093532750), (4, 5046766375), (5, 4037413100), (7, 2883866500), (10, 2018706550), (14, 1441933250), (20, 1009353275), (23, 877698500), (25, 807482620), (28, 720966625), (35, 576773300), (46, 438849250), (50, 403741310), (61, 330935500), (70, 288386650), (92, 219424625), (100, 201870655), (115, 175539700), (122, 165467750), (125, 161496524), (140, 144193325), (161, 125385500), (175, 115354660), (230, 87769850), (244, 82733875), (250, 80748262), (305, 66187100), (322, 62692750), (350, 57677330), (427, 47276500), (460, 43884925), (500, 40374131), (575, 35107940), (610, 33093550), (644, 31346375), (700, 28838665), (805, 25077100), (854, 23638250), (875, 23070932), (1150, 17553970), (1220, 16546775), (1403, 14388500), (1525, 13237420), (1610, 12538550), (1708, 11819125), (1750, 11535466), (2135, 9455300), (2300, 8776985), (2806, 7194250), (2875, 7021588), (3050, 6618710), (3220, 6269275), (3500, 5767733), (4025, 5015420), (4111, 4910500), (4270, 4727650), (5612, 3597125), (5750, 3510794), (6100, 3309355), (7015, 2877700), (7625, 2647484), (8050, 2507710), (8222, 2455250), (8540, 2363825), (9821, 2055500), (10675, 1891060), (11500, 1755397), (14030, 1438850), (15250, 1323742), (16100, 1253855), (16444, 1227625), (19642, 1027750), (20125, 1003084), (20555, 982100), (21350, 945530), (28060, 719425), (28777, 701500), (30500, 661871), (35075, 575540), (39284, 513875), (40250, 501542), (41110, 491050), (42700, 472765), (49105, 411100), (53375, 378212), (57554, 350750), (70150, 287770), (80500, 250771), (82220, 245525), (94553, 213500), (98210, 205550), (102775, 196420), (106750, 189106), (115108, 175375), (140300, 143885)]