20483504500

素因数分解:

$2^2\times 5^3\times {\mathrm{8831}}^1\times {\mathrm{4639}}^1$

素因数の和:13489

約数の個数: 48

約数和(自身を含む): 44750684160

約数和(自身を除く): 24267179660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 4639, 8831, 9278, 17662, 18556, 23195, 35324, 44155, 46390, 88310, 92780, 115975, 176620, 220775, 231950, 441550, 463900, 579875, 883100, 1103875, 1159750, 2207750, 2319500, 4415500, 40967009, 81934018, 163868036, 204835045, 409670090, 819340180, 1024175225, 2048350450, 4096700900, 5120876125, 10241752250, 20483504500]

約数ペア:

[(1, 20483504500), (2, 10241752250), (4, 5120876125), (5, 4096700900), (10, 2048350450), (20, 1024175225), (25, 819340180), (50, 409670090), (100, 204835045), (125, 163868036), (250, 81934018), (500, 40967009), (4639, 4415500), (8831, 2319500), (9278, 2207750), (17662, 1159750), (18556, 1103875), (23195, 883100), (35324, 579875), (44155, 463900), (46390, 441550), (88310, 231950), (92780, 220775), (115975, 176620)]