20145707200

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{740651}}^1$

素因数の和:740690

約数の個数: 84

約数和(自身を含む): 52487044632

約数和(自身を除く): 32341337432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 680, 800, 850, 1088, 1360, 1600, 1700, 2720, 3400, 5440, 6800, 13600, 27200, 740651, 1481302, 2962604, 3703255, 5925208, 7406510, 11850416, 12591067, 14813020, 18516275, 23700832, 25182134, 29626040, 37032550, 47401664, 50364268, 59252080, 62955335, 74065100, 100728536, 118504160, 125910670, 148130200, 201457072, 237008320, 251821340, 296260400, 314776675, 402914144, 503642680, 592520800, 629553350, 805828288, 1007285360, 1185041600, 1259106700, 2014570720, 2518213400, 4029141440, 5036426800, 10072853600, 20145707200]

約数ペア:

[(1, 20145707200), (2, 10072853600), (4, 5036426800), (5, 4029141440), (8, 2518213400), (10, 2014570720), (16, 1259106700), (17, 1185041600), (20, 1007285360), (25, 805828288), (32, 629553350), (34, 592520800), (40, 503642680), (50, 402914144), (64, 314776675), (68, 296260400), (80, 251821340), (85, 237008320), (100, 201457072), (136, 148130200), (160, 125910670), (170, 118504160), (200, 100728536), (272, 74065100), (320, 62955335), (340, 59252080), (400, 50364268), (425, 47401664), (544, 37032550), (680, 29626040), (800, 25182134), (850, 23700832), (1088, 18516275), (1360, 14813020), (1600, 12591067), (1700, 11850416), (2720, 7406510), (3400, 5925208), (5440, 3703255), (6800, 2962604), (13600, 1481302), (27200, 740651)]