20593755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 45287424

約数和(自身を除く): 24693669

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 47, 63, 65, 91, 105, 107, 117, 141, 195, 235, 273, 315, 321, 329, 423, 455, 535, 585, 611, 705, 749, 819, 963, 987, 1365, 1391, 1605, 1645, 1833, 2115, 2247, 2961, 3055, 3745, 4095, 4173, 4277, 4815, 4935, 5029, 5499, 6741, 6955, 9165, 9737, 11235, 12519, 12831, 14805, 15087, 20865, 21385, 25145, 27495, 29211, 33705, 35203, 38493, 45261, 48685, 62595, 64155, 65377, 75435, 87633, 105609, 146055, 176015, 192465, 196131, 226305, 316827, 326885, 438165, 457639, 528045, 588393, 980655, 1372917, 1584135, 2288195, 2941965, 4118751, 6864585, 20593755]

約数ペア:

[(1, 20593755), (3, 6864585), (5, 4118751), (7, 2941965), (9, 2288195), (13, 1584135), (15, 1372917), (21, 980655), (35, 588393), (39, 528045), (45, 457639), (47, 438165), (63, 326885), (65, 316827), (91, 226305), (105, 196131), (107, 192465), (117, 176015), (141, 146055), (195, 105609), (235, 87633), (273, 75435), (315, 65377), (321, 64155), (329, 62595), (423, 48685), (455, 45261), (535, 38493), (585, 35203), (611, 33705), (705, 29211), (749, 27495), (819, 25145), (963, 21385), (987, 20865), (1365, 15087), (1391, 14805), (1605, 12831), (1645, 12519), (1833, 11235), (2115, 9737), (2247, 9165), (2961, 6955), (3055, 6741), (3745, 5499), (4095, 5029), (4173, 4935), (4277, 4815)]