20291650900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:962

約数の個数: 144

約数和(自身を含む): 46590768000

約数和(自身を除く): 26299117100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 71, 100, 116, 139, 142, 145, 278, 284, 290, 355, 556, 580, 695, 709, 710, 725, 1390, 1418, 1420, 1450, 1775, 2059, 2780, 2836, 2900, 3475, 3545, 3550, 4031, 4118, 6950, 7090, 7100, 8062, 8236, 9869, 10295, 13900, 14180, 16124, 17725, 19738, 20155, 20561, 20590, 35450, 39476, 40310, 41122, 41180, 49345, 50339, 51475, 70900, 80620, 82244, 98551, 98690, 100678, 100775, 102805, 102950, 197102, 197380, 201356, 201550, 205610, 205900, 246725, 251695, 286201, 394204, 403100, 411220, 492755, 493450, 503390, 514025, 572402, 985510, 986900, 1006780, 1028050, 1144804, 1258475, 1431005, 1459831, 1971020, 2056100, 2463775, 2516950, 2857979, 2862010, 2919662, 4927550, 5033900, 5715958, 5724020, 5839324, 6997121, 7155025, 7299155, 9855100, 11431916, 13994242, 14289895, 14310050, 14598310, 27988484, 28579790, 28620100, 29196620, 34985605, 36495775, 57159580, 69971210, 71449475, 72991550, 139942420, 142898950, 145983100, 174928025, 202916509, 285797900, 349856050, 405833018, 699712100, 811666036, 1014582545, 2029165090, 4058330180, 5072912725, 10145825450, 20291650900]

約数ペア:

[(1, 20291650900), (2, 10145825450), (4, 5072912725), (5, 4058330180), (10, 2029165090), (20, 1014582545), (25, 811666036), (29, 699712100), (50, 405833018), (58, 349856050), (71, 285797900), (100, 202916509), (116, 174928025), (139, 145983100), (142, 142898950), (145, 139942420), (278, 72991550), (284, 71449475), (290, 69971210), (355, 57159580), (556, 36495775), (580, 34985605), (695, 29196620), (709, 28620100), (710, 28579790), (725, 27988484), (1390, 14598310), (1418, 14310050), (1420, 14289895), (1450, 13994242), (1775, 11431916), (2059, 9855100), (2780, 7299155), (2836, 7155025), (2900, 6997121), (3475, 5839324), (3545, 5724020), (3550, 5715958), (4031, 5033900), (4118, 4927550), (6950, 2919662), (7090, 2862010), (7100, 2857979), (8062, 2516950), (8236, 2463775), (9869, 2056100), (10295, 1971020), (13900, 1459831), (14180, 1431005), (16124, 1258475), (17725, 1144804), (19738, 1028050), (20155, 1006780), (20561, 986900), (20590, 985510), (35450, 572402), (39476, 514025), (40310, 503390), (41122, 493450), (41180, 492755), (49345, 411220), (50339, 403100), (51475, 394204), (70900, 286201), (80620, 251695), (82244, 246725), (98551, 205900), (98690, 205610), (100678, 201550), (100775, 201356), (102805, 197380), (102950, 197102)]