20199555900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7481317}}^1$

素因数の和:7481340

約数の個数: 72

約数和(自身を含む): 64937840240

約数和(自身を除く): 44738284340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7481317, 14962634, 22443951, 29925268, 37406585, 44887902, 67331853, 74813170, 89775804, 112219755, 134663706, 149626340, 187032925, 201995559, 224439510, 269327412, 336659265, 374065850, 403991118, 448879020, 561098775, 673318530, 748131700, 807982236, 1009977795, 1122197550, 1346637060, 1683296325, 2019955590, 2244395100, 3366592650, 4039911180, 5049888975, 6733185300, 10099777950, 20199555900]

約数ペア:

[(1, 20199555900), (2, 10099777950), (3, 6733185300), (4, 5049888975), (5, 4039911180), (6, 3366592650), (9, 2244395100), (10, 2019955590), (12, 1683296325), (15, 1346637060), (18, 1122197550), (20, 1009977795), (25, 807982236), (27, 748131700), (30, 673318530), (36, 561098775), (45, 448879020), (50, 403991118), (54, 374065850), (60, 336659265), (75, 269327412), (90, 224439510), (100, 201995559), (108, 187032925), (135, 149626340), (150, 134663706), (180, 112219755), (225, 89775804), (270, 74813170), (300, 67331853), (450, 44887902), (540, 37406585), (675, 29925268), (900, 22443951), (1350, 14962634), (2700, 7481317)]