16454920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4073}}^1$

素因数の和:4185

約数の個数: 32

約数和(自身を含む): 37399320

約数和(自身を除く): 20944400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4073, 8146, 16292, 20365, 32584, 40730, 81460, 162920, 411373, 822746, 1645492, 2056865, 3290984, 4113730, 8227460, 16454920]

約数ペア:

[(1, 16454920), (2, 8227460), (4, 4113730), (5, 3290984), (8, 2056865), (10, 1645492), (20, 822746), (40, 411373), (101, 162920), (202, 81460), (404, 40730), (505, 32584), (808, 20365), (1010, 16292), (2020, 8146), (4040, 4073)]