20899094276

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{2957}}^1\times {\mathrm{19853}}^1$

素因数の和:22903

約数の個数: 24

約数和(自身を含む): 36998723160

約数和(自身を除く): 16099628884

約数列:

[1, 2, 4, 89, 178, 356, 2957, 5914, 11828, 19853, 39706, 79412, 263173, 526346, 1052692, 1766917, 3533834, 7067668, 58705321, 117410642, 234821284, 5224773569, 10449547138, 20899094276]

約数ペア:

[(1, 20899094276), (2, 10449547138), (4, 5224773569), (89, 234821284), (178, 117410642), (356, 58705321), (2957, 7067668), (5914, 3533834), (11828, 1766917), (19853, 1052692), (39706, 526346), (79412, 263173)]