20163160

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2389}}^1$

素因数の和:2611

約数の個数: 32

約数和(自身を含む): 45601200

約数和(自身を除く): 25438040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2389, 4220, 4778, 8440, 9556, 11945, 19112, 23890, 47780, 95560, 504079, 1008158, 2016316, 2520395, 4032632, 5040790, 10081580, 20163160]

約数ペア:

[(1, 20163160), (2, 10081580), (4, 5040790), (5, 4032632), (8, 2520395), (10, 2016316), (20, 1008158), (40, 504079), (211, 95560), (422, 47780), (844, 23890), (1055, 19112), (1688, 11945), (2110, 9556), (2389, 8440), (4220, 4778)]