20257650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 63835200

約数和(自身を除く): 43577550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 59, 63, 70, 75, 90, 105, 109, 118, 126, 150, 175, 177, 210, 218, 225, 295, 315, 327, 350, 354, 413, 450, 525, 531, 545, 590, 630, 654, 763, 826, 885, 981, 1050, 1062, 1090, 1239, 1475, 1526, 1575, 1635, 1770, 1962, 2065, 2289, 2478, 2655, 2725, 2950, 3150, 3270, 3717, 3815, 4130, 4425, 4578, 4905, 5310, 5450, 6195, 6431, 6867, 7434, 7630, 8175, 8850, 9810, 10325, 11445, 12390, 12862, 13275, 13734, 16350, 18585, 19075, 19293, 20650, 22890, 24525, 26550, 30975, 32155, 34335, 37170, 38150, 38586, 45017, 49050, 57225, 57879, 61950, 64310, 68670, 90034, 92925, 96465, 114450, 115758, 135051, 160775, 171675, 185850, 192930, 225085, 270102, 289395, 321550, 343350, 405153, 450170, 482325, 578790, 675255, 810306, 964650, 1125425, 1350510, 1446975, 2025765, 2250850, 2893950, 3376275, 4051530, 6752550, 10128825, 20257650]

約数ペア:

[(1, 20257650), (2, 10128825), (3, 6752550), (5, 4051530), (6, 3376275), (7, 2893950), (9, 2250850), (10, 2025765), (14, 1446975), (15, 1350510), (18, 1125425), (21, 964650), (25, 810306), (30, 675255), (35, 578790), (42, 482325), (45, 450170), (50, 405153), (59, 343350), (63, 321550), (70, 289395), (75, 270102), (90, 225085), (105, 192930), (109, 185850), (118, 171675), (126, 160775), (150, 135051), (175, 115758), (177, 114450), (210, 96465), (218, 92925), (225, 90034), (295, 68670), (315, 64310), (327, 61950), (350, 57879), (354, 57225), (413, 49050), (450, 45017), (525, 38586), (531, 38150), (545, 37170), (590, 34335), (630, 32155), (654, 30975), (763, 26550), (826, 24525), (885, 22890), (981, 20650), (1050, 19293), (1062, 19075), (1090, 18585), (1239, 16350), (1475, 13734), (1526, 13275), (1575, 12862), (1635, 12390), (1770, 11445), (1962, 10325), (2065, 9810), (2289, 8850), (2478, 8175), (2655, 7630), (2725, 7434), (2950, 6867), (3150, 6431), (3270, 6195), (3717, 5450), (3815, 5310), (4130, 4905), (4425, 4578)]