20023300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 48121920

約数和(自身を除く): 28098620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 167, 218, 220, 275, 334, 436, 545, 550, 668, 835, 1090, 1100, 1199, 1670, 1837, 2180, 2398, 2725, 3340, 3674, 4175, 4796, 5450, 5995, 7348, 8350, 9185, 10900, 11990, 16700, 18203, 18370, 23980, 29975, 36406, 36740, 45925, 59950, 72812, 91015, 91850, 119900, 182030, 183700, 200233, 364060, 400466, 455075, 800932, 910150, 1001165, 1820300, 2002330, 4004660, 5005825, 10011650, 20023300]

約数ペア:

[(1, 20023300), (2, 10011650), (4, 5005825), (5, 4004660), (10, 2002330), (11, 1820300), (20, 1001165), (22, 910150), (25, 800932), (44, 455075), (50, 400466), (55, 364060), (100, 200233), (109, 183700), (110, 182030), (167, 119900), (218, 91850), (220, 91015), (275, 72812), (334, 59950), (436, 45925), (545, 36740), (550, 36406), (668, 29975), (835, 23980), (1090, 18370), (1100, 18203), (1199, 16700), (1670, 11990), (1837, 10900), (2180, 9185), (2398, 8350), (2725, 7348), (3340, 5995), (3674, 5450), (4175, 4796)]