202012312528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{971213041}}^1$

素因数の和:971213062

約数の個数: 20

約数和(自身を含む): 421506460228

約数和(自身を除く): 219494147700

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 971213041, 1942426082, 3884852164, 7769704328, 12625769533, 15539408656, 25251539066, 50503078132, 101006156264, 202012312528]

約数ペア:

[(1, 202012312528), (2, 101006156264), (4, 50503078132), (8, 25251539066), (13, 15539408656), (16, 12625769533), (26, 7769704328), (52, 3884852164), (104, 1942426082), (208, 971213041)]