20891100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 61246080

約数和(自身を除く): 40354980

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, 830, 839, 996, 1245, 1660, 1678, 2075, 2490, 2517, 3356, 4150, 4195, 4980, 5034, 6225, 8300, 8390, 10068, 12450, 12585, 16780, 20975, 24900, 25170, 41950, 50340, 62925, 69637, 83900, 125850, 139274, 208911, 251700, 278548, 348185, 417822, 696370, 835644, 1044555, 1392740, 1740925, 2089110, 3481850, 4178220, 5222775, 6963700, 10445550, 20891100]

約数ペア:

[(1, 20891100), (2, 10445550), (3, 6963700), (4, 5222775), (5, 4178220), (6, 3481850), (10, 2089110), (12, 1740925), (15, 1392740), (20, 1044555), (25, 835644), (30, 696370), (50, 417822), (60, 348185), (75, 278548), (83, 251700), (100, 208911), (150, 139274), (166, 125850), (249, 83900), (300, 69637), (332, 62925), (415, 50340), (498, 41950), (830, 25170), (839, 24900), (996, 20975), (1245, 16780), (1660, 12585), (1678, 12450), (2075, 10068), (2490, 8390), (2517, 8300), (3356, 6225), (4150, 5034), (4195, 4980)]