20441772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1463

約数の個数: 72

約数和(自身を含む): 57482880

約数和(自身を除く): 37041108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1409, 1612, 2418, 2818, 3627, 4227, 4836, 5636, 7254, 8454, 12681, 14508, 16908, 18317, 25362, 36634, 43679, 50724, 54951, 73268, 87358, 109902, 131037, 164853, 174716, 219804, 262074, 329706, 393111, 524148, 567827, 659412, 786222, 1135654, 1572444, 1703481, 2271308, 3406962, 5110443, 6813924, 10220886, 20441772]

約数ペア:

[(1, 20441772), (2, 10220886), (3, 6813924), (4, 5110443), (6, 3406962), (9, 2271308), (12, 1703481), (13, 1572444), (18, 1135654), (26, 786222), (31, 659412), (36, 567827), (39, 524148), (52, 393111), (62, 329706), (78, 262074), (93, 219804), (117, 174716), (124, 164853), (156, 131037), (186, 109902), (234, 87358), (279, 73268), (372, 54951), (403, 50724), (468, 43679), (558, 36634), (806, 25362), (1116, 18317), (1209, 16908), (1409, 14508), (1612, 12681), (2418, 8454), (2818, 7254), (3627, 5636), (4227, 4836)]