20357190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10771}}^1$

素因数の和:10794

約数の個数: 64

約数和(自身を含む): 62046720

約数和(自身を除く): 41689530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10771, 21542, 32313, 53855, 64626, 75397, 96939, 107710, 150794, 161565, 193878, 226191, 290817, 323130, 376985, 452382, 484695, 581634, 678573, 753970, 969390, 1130955, 1357146, 1454085, 2035719, 2261910, 2908170, 3392865, 4071438, 6785730, 10178595, 20357190]

約数ペア:

[(1, 20357190), (2, 10178595), (3, 6785730), (5, 4071438), (6, 3392865), (7, 2908170), (9, 2261910), (10, 2035719), (14, 1454085), (15, 1357146), (18, 1130955), (21, 969390), (27, 753970), (30, 678573), (35, 581634), (42, 484695), (45, 452382), (54, 376985), (63, 323130), (70, 290817), (90, 226191), (105, 193878), (126, 161565), (135, 150794), (189, 107710), (210, 96939), (270, 75397), (315, 64626), (378, 53855), (630, 32313), (945, 21542), (1890, 10771)]