20575010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2141}}^1$

素因数の和:2210

約数の個数: 24

約数和(自身を含む): 38286108

約数和(自身を除く): 17711098

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2141, 4282, 4805, 9610, 10705, 21410, 66371, 132742, 331855, 663710, 2057501, 4115002, 10287505, 20575010]

約数ペア:

[(1, 20575010), (2, 10287505), (5, 4115002), (10, 2057501), (31, 663710), (62, 331855), (155, 132742), (310, 66371), (961, 21410), (1922, 10705), (2141, 9610), (4282, 4805)]