20499160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46589}}^1$

素因数の和:46611

約数の個数: 32

約数和(自身を含む): 50317200

約数和(自身を除く): 29818040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46589, 93178, 186356, 232945, 372712, 465890, 512479, 931780, 1024958, 1863560, 2049916, 2562395, 4099832, 5124790, 10249580, 20499160]

約数ペア:

[(1, 20499160), (2, 10249580), (4, 5124790), (5, 4099832), (8, 2562395), (10, 2049916), (11, 1863560), (20, 1024958), (22, 931780), (40, 512479), (44, 465890), (55, 372712), (88, 232945), (110, 186356), (220, 93178), (440, 46589)]