20091696075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43411}}^1$

素因数の和:43466

約数の個数: 108

約数和(自身を含む): 41883116184

約数和(自身を除く): 21791420109

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 121, 153, 165, 187, 225, 255, 275, 363, 425, 495, 561, 605, 765, 825, 935, 1089, 1275, 1683, 1815, 2057, 2475, 2805, 3025, 3825, 4675, 5445, 6171, 8415, 9075, 10285, 14025, 18513, 27225, 30855, 42075, 43411, 51425, 92565, 130233, 154275, 217055, 390699, 462825, 477521, 651165, 737987, 1085275, 1432563, 1953495, 2213961, 2387605, 3255825, 3689935, 4297689, 5252731, 6641883, 7162815, 8117857, 9767475, 11069805, 11938025, 15758193, 18449675, 21488445, 24353571, 26263655, 33209415, 35814075, 40589285, 47274579, 55349025, 73060713, 78790965, 89296427, 107442225, 121767855, 131318275, 166047075, 202946425, 236372895, 267889281, 365303565, 393954825, 446482135, 608839275, 803667843, 1181864475, 1339446405, 1826517825, 2232410675, 4018339215, 6697232025, 20091696075]

約数ペア:

[(1, 20091696075), (3, 6697232025), (5, 4018339215), (9, 2232410675), (11, 1826517825), (15, 1339446405), (17, 1181864475), (25, 803667843), (33, 608839275), (45, 446482135), (51, 393954825), (55, 365303565), (75, 267889281), (85, 236372895), (99, 202946425), (121, 166047075), (153, 131318275), (165, 121767855), (187, 107442225), (225, 89296427), (255, 78790965), (275, 73060713), (363, 55349025), (425, 47274579), (495, 40589285), (561, 35814075), (605, 33209415), (765, 26263655), (825, 24353571), (935, 21488445), (1089, 18449675), (1275, 15758193), (1683, 11938025), (1815, 11069805), (2057, 9767475), (2475, 8117857), (2805, 7162815), (3025, 6641883), (3825, 5252731), (4675, 4297689), (5445, 3689935), (6171, 3255825), (8415, 2387605), (9075, 2213961), (10285, 1953495), (14025, 1432563), (18513, 1085275), (27225, 737987), (30855, 651165), (42075, 477521), (43411, 462825), (51425, 390699), (92565, 217055), (130233, 154275)]