202180016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{407621}}^1$

素因数の和:407660

約数の個数: 20

約数和(自身を含む): 404361024

約数和(自身を除く): 202181008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 407621, 815242, 1630484, 3260968, 6521936, 12636251, 25272502, 50545004, 101090008, 202180016]

約数ペア:

[(1, 202180016), (2, 101090008), (4, 50545004), (8, 25272502), (16, 12636251), (31, 6521936), (62, 3260968), (124, 1630484), (248, 815242), (496, 407621)]