20512690605

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1\times {\mathrm{1559}}^1$

素因数の和:2999

約数の個数: 96

約数和(自身を含む): 40884480000

約数和(自身を除く): 20371789395

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1399, 1559, 1881, 3135, 4197, 4677, 6995, 7795, 9405, 12591, 14031, 15389, 17149, 20985, 23385, 26581, 29621, 46167, 51447, 62955, 70155, 76945, 79743, 85745, 88863, 132905, 138501, 148105, 154341, 230835, 239229, 257235, 266589, 292391, 325831, 398715, 444315, 692505, 771705, 877173, 977493, 1196145, 1332945, 1461955, 1629155, 2181041, 2631519, 2932479, 4385865, 4887465, 6543123, 10905205, 13157595, 14662395, 19629369, 23991451, 32715615, 41439779, 71974353, 98146845, 119957255, 124319337, 207198895, 215923059, 359871765, 372958011, 455837569, 621596685, 1079615295, 1367512707, 1864790055, 2279187845, 4102538121, 6837563535, 20512690605]

約数ペア:

[(1, 20512690605), (3, 6837563535), (5, 4102538121), (9, 2279187845), (11, 1864790055), (15, 1367512707), (19, 1079615295), (33, 621596685), (45, 455837569), (55, 372958011), (57, 359871765), (95, 215923059), (99, 207198895), (165, 124319337), (171, 119957255), (209, 98146845), (285, 71974353), (495, 41439779), (627, 32715615), (855, 23991451), (1045, 19629369), (1399, 14662395), (1559, 13157595), (1881, 10905205), (3135, 6543123), (4197, 4887465), (4677, 4385865), (6995, 2932479), (7795, 2631519), (9405, 2181041), (12591, 1629155), (14031, 1461955), (15389, 1332945), (17149, 1196145), (20985, 977493), (23385, 877173), (26581, 771705), (29621, 692505), (46167, 444315), (51447, 398715), (62955, 325831), (70155, 292391), (76945, 266589), (79743, 257235), (85745, 239229), (88863, 230835), (132905, 154341), (138501, 148105)]