20193900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 59204544

約数和(自身を除く): 39010644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 150, 166, 249, 300, 332, 415, 498, 811, 830, 996, 1245, 1622, 1660, 2075, 2433, 2490, 3244, 4055, 4150, 4866, 4980, 6225, 8110, 8300, 9732, 12165, 12450, 16220, 20275, 24330, 24900, 40550, 48660, 60825, 67313, 81100, 121650, 134626, 201939, 243300, 269252, 336565, 403878, 673130, 807756, 1009695, 1346260, 1682825, 2019390, 3365650, 4038780, 5048475, 6731300, 10096950, 20193900]

約数ペア:

[(1, 20193900), (2, 10096950), (3, 6731300), (4, 5048475), (5, 4038780), (6, 3365650), (10, 2019390), (12, 1682825), (15, 1346260), (20, 1009695), (25, 807756), (30, 673130), (50, 403878), (60, 336565), (75, 269252), (83, 243300), (100, 201939), (150, 134626), (166, 121650), (249, 81100), (300, 67313), (332, 60825), (415, 48660), (498, 40550), (811, 24900), (830, 24330), (996, 20275), (1245, 16220), (1622, 12450), (1660, 12165), (2075, 9732), (2433, 8300), (2490, 8110), (3244, 6225), (4055, 4980), (4150, 4866)]