20998221120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7291049}}^1$

素因数の和:7291072

約数の個数: 84

約数和(自身を含む): 72225141300

約数和(自身を除く): 51226920180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7291049, 14582098, 21873147, 29164196, 36455245, 43746294, 58328392, 65619441, 72910490, 87492588, 109365735, 116656784, 131238882, 145820980, 174985176, 218731470, 233313568, 262477764, 291641960, 328097205, 349970352, 437462940, 466627136, 524955528, 583283920, 656194410, 699940704, 874925880, 1049911056, 1166567840, 1312388820, 1399881408, 1749851760, 2099822112, 2333135680, 2624777640, 3499703520, 4199644224, 5249555280, 6999407040, 10499110560, 20998221120]

約数ペア:

[(1, 20998221120), (2, 10499110560), (3, 6999407040), (4, 5249555280), (5, 4199644224), (6, 3499703520), (8, 2624777640), (9, 2333135680), (10, 2099822112), (12, 1749851760), (15, 1399881408), (16, 1312388820), (18, 1166567840), (20, 1049911056), (24, 874925880), (30, 699940704), (32, 656194410), (36, 583283920), (40, 524955528), (45, 466627136), (48, 437462940), (60, 349970352), (64, 328097205), (72, 291641960), (80, 262477764), (90, 233313568), (96, 218731470), (120, 174985176), (144, 145820980), (160, 131238882), (180, 116656784), (192, 109365735), (240, 87492588), (288, 72910490), (320, 65619441), (360, 58328392), (480, 43746294), (576, 36455245), (720, 29164196), (960, 21873147), (1440, 14582098), (2880, 7291049)]