19996650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1256

約数の個数: 72

約数和(自身を含む): 55222284

約数和(自身を除く): 35225634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 74, 75, 90, 111, 150, 185, 222, 225, 333, 370, 450, 555, 666, 925, 1110, 1201, 1665, 1850, 2402, 2775, 3330, 3603, 5550, 6005, 7206, 8325, 10809, 12010, 16650, 18015, 21618, 30025, 36030, 44437, 54045, 60050, 88874, 90075, 108090, 133311, 180150, 222185, 266622, 270225, 399933, 444370, 540450, 666555, 799866, 1110925, 1333110, 1999665, 2221850, 3332775, 3999330, 6665550, 9998325, 19996650]

約数ペア:

[(1, 19996650), (2, 9998325), (3, 6665550), (5, 3999330), (6, 3332775), (9, 2221850), (10, 1999665), (15, 1333110), (18, 1110925), (25, 799866), (30, 666555), (37, 540450), (45, 444370), (50, 399933), (74, 270225), (75, 266622), (90, 222185), (111, 180150), (150, 133311), (185, 108090), (222, 90075), (225, 88874), (333, 60050), (370, 54045), (450, 44437), (555, 36030), (666, 30025), (925, 21618), (1110, 18015), (1201, 16650), (1665, 12010), (1850, 10809), (2402, 8325), (2775, 7206), (3330, 6005), (3603, 5550)]