20853926640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28963787}}^1$

素因数の和:28963806

約数の個数: 60

約数和(自身を含む): 70034439384

約数和(自身を除く): 49180512744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28963787, 57927574, 86891361, 115855148, 144818935, 173782722, 231710296, 260674083, 289637870, 347565444, 434456805, 463420592, 521348166, 579275740, 695130888, 868913610, 1042696332, 1158551480, 1303370415, 1390261776, 1737827220, 2085392664, 2317102960, 2606740830, 3475654440, 4170785328, 5213481660, 6951308880, 10426963320, 20853926640]

約数ペア:

[(1, 20853926640), (2, 10426963320), (3, 6951308880), (4, 5213481660), (5, 4170785328), (6, 3475654440), (8, 2606740830), (9, 2317102960), (10, 2085392664), (12, 1737827220), (15, 1390261776), (16, 1303370415), (18, 1158551480), (20, 1042696332), (24, 868913610), (30, 695130888), (36, 579275740), (40, 521348166), (45, 463420592), (48, 434456805), (60, 347565444), (72, 289637870), (80, 260674083), (90, 231710296), (120, 173782722), (144, 144818935), (180, 115855148), (240, 86891361), (360, 57927574), (720, 28963787)]